Quintessence, Cosmic Coincidence, and the Cosmological Constant

Abstract

Recent observations suggest that a large fraction of the energy density of the universe has negative pressure. One explanation is vacuum energy density; another is quintessence in the form of a scalar field slowly evolving down a potential. In either case, a key problem is to explain why the energy density nearly coincides with the matter density today. The densities decrease at different rates as the universe expands, so coincidence today appears to require that their ratio be set to a specific, infinitessimal value in the early universe. In this paper, we introduce the notion of a "tracker field", a form of quintessence, and show how it may explain the coincidence, adding new motivation for the quintessence scenario.

arXiv comment4 pages, 4 figures, improved introduction, references added

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• Alleviation of Cosmic Age Problem In Interacting Dark Energy Model
• Correlated Isocurvature Fluctuation in Quintessence and Suppressed CMB Anisotropies at Low Multipoles
• Holographic dark energy in a universe with spatial curvature and massive neutrinos: a full Markov Chain Monte Carlo exploration
• The universe dominated by the extended Chaplygin gas
• A Quintom scenario with mixed kinetic terms
• Dark energy equation of state and anthropic selection
• New Constraints from High Redshift Supernovae and Lensing Statistics upon Scalar Field Cosmologies
• The effective field theory of inflation/dark energy and the Horndeski theory
• Chameleon scalar fields in relativistic gravitational backgrounds
• On the potentials yielding cosmological scaling solutions
• Quantifying Scalar Field Dynamics with DESI 2024 Y1 BAO measurements
• The accelerating universe in brane-world cosmology
• O(N) quintessence
• Possible theoretical limits on holographic quintessence from weak gravity conjecture
• The spherical collapse model and cluster formation beyond the $\Lambda$ cosmology: Indications for a clustered dark energy?
• Correspondence between entropy-corrected holographic and Gauss-Bonnet dark energy models
• The Genesis of Cosmological Tracker Fields
• A New Approach to Quintessence and a Solution of Multiple Attractors
• Skewness as a test of the equivalence principle
• Cosmological constraints on coupled dark energy
• Dynamics of cosmological scalar fields
• Matter bispectrum in cubic Galileon cosmologies
• Cosmological models from quintessence
• Generalized Holographic and Ricci Dark Energy Models
• Can a changing $\alpha$ explain the Supernovae results?
• Constraints on Cosmic Quintessence and Quintessential Inflation
• Remarks on the formulation of the cosmological constant/dark energy problems
• Particle vs. future event horizon in interacting holographic dark energy model
• Extended quintessence and the primordial helium abundance
• Extended Quintessence with non-minimally coupled phantom scalar field
• 2-loop Quantum Yang-Mills Condensate as Dark Energy
• Attractor solutions for general hessence dark energy
• Late Universe expansion dominated by domain walls and dissipative dark matter
• The Hidden Flat Like Universe: Starobinsky-like inflation induced by f(T) gravity
• Perturbations in cosmologies with a scalar field and a perfect fluid
• Generalised DBI-Quintessence
• Testing the Cosmological Constant as a Candidate for Dark Energy
• Perturbation evolution with a non-minimally coupled scalar field
• Constraints on early dark energy from CMB lensing and weak lensing tomography
• Scalar field description of decaying-$\Lambda$ cosmologies
• Large-Scale Structure Formation with Massive Neutrinos and Dynamical Dark Energy
• Large-scale inhomogeneities in modified Chaplygin gas cosmologies
• Dark Energy and Neutrino Masses from Future Measurements of the Expansion History and Growth of Structure
• Transient Accelerated Expansion and Double Quintessence
• Revisit of cosmic age problem
• Consistency of $f(R)=\sqrt{R^2-R_0^2}$ Gravity with the Cosmological Observations in Palatini Formalism
• Fitting the Constitution SNIa Data with Redshift Binned Parameterization Method
• Does the Isotropy of the CMB Imply a Homogeneous Universe? Some Generalised EGS Theorems
• Thermodynamics and weak cosmic censorship conjecture in the charged RN-AdS black hole surrounded by quintessence under the scalar field
• Revisiting chameleon gravity - thin-shells and no-shells with appropriate boundary conditions
• The Degree of Fine-Tuning in our Universe -- and Others
• Cosmological Scaling Solutions and Cross-coupling Exponential Potential
• Large-scale (in-) stability Analysis of an Exactly Solved Coupled Dark-Energy Model
• Future CMB cosmological constraints in a dark coupled universe
• Unveiling the Dynamics of the Universe
• Adventures in Friedmann Cosmology: An Educationally Detailed Expansion of the Cosmological Friedmann Equations
• Cosmology with nonminimal kinetic coupling and a power-law potential
• Bayesian Analysis of the (Generalized) Chaplygin Gas and Cosmological Constant Models using the 157 gold SNe Ia Data
• Phantom phase power-law solution in $f(G)$ gravity
• Scalar-Fluid interacting dark energy: cosmological dynamics beyond the exponential potential
• Planck-scale quintessence and the physics of structure formation
• Yang-Mills condensate dark energy coupled with matter and radiation
• Dynamics of assisted quintessence
• Model-independent dark energy differentiation with the ISW effect
• Challenges and Obstacles for a Bouncing Universe in Brane Models
• Anomalous coupling of scalars to gauge fields
• Thermal leptogenesis with triplet Higgs boson and mass varying neutrinos
• CMB constraints on interacting cosmological models
• Attractors and Isocurvature Perturbations in Quintessence Models
• Statefinder Diagnostic for Dilaton Dark Energy
• Coincidence Problem in YM Field Dark Energy Model
• Observational Constraints to Ricci Dark Energy Model by Using: SN, BAO, OHD, fgas Data Sets
• Dynamics of Quintessence with Thermal Interactions
• Looking Beyond Lambda with the Union Supernova Compilation
• The dS swampland conjecture with the electroweak symmetry and QCD chiral symmetry breaking
• Fine Tuning in Quintessence Models with Exponential Potentials
• Viscous dark energy and generalized second law of thermodynamics
• Cosmologies with General Non-Canonical Scalar Field
• Complete Set of Homogeneous Isotropic Analytic Solutions in Scalar-Tensor Cosmology with Radiation and Curvature
• Probing Dynamics of Dark Energy with Supernova, Galaxy Clustering and the Three-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations
• Emergent Universe from Scale Invariant Two Measures Theory
• Compactification, Vacuum Energy and Quintessence
• On the resolution of cosmic coincidence problem and phantom crossing with triple interacting fluids
• Irreversible Processes in a Universe modelled as a mixture of a Chaplygin gas and radiation
• Dark energy: investigation and modeling
• Interacting entropy-corrected new agegraphic tachyon, K-essence and dilaton scalar field models of dark energy in non-flat universe
• Interacting Ghost Dark Energy Models with Variable $G$ and $\Lambda$
• Introduction to the application of the dynamical systems theory in the study of the dynamics of cosmological models of dark energy
• Palatini approach to 1/R gravity and its implications to the late Universe
• Hierarchical clustering in chameleon $f(R)$ gravity
• The cosmology in f(R,T) gravity without dark energy
• Reconstruction of quintessence field for the THDE with swampland correspondence in $f(R,T)$ gravity
• Supernova constraints on alternative models to dark energy
• Coupled oscillators as models of phantom and scalar field cosmologies
• Dark energy from primordial inflationary quantum fluctuations
• Can Brans-Dicke scalar field account for dark energy and dark matter?
• Scalar Field Dark Energy Perturbations and their Scale Dependence
• Unified description of the dynamics of quintessential scalar fields
• Field theory model giving rise to "quintessential inflation" without the cosmological constant and other fine tuning problems
• Classification of dark energy models in the (w_0,w_a) plane
• New agegraphic dark energy as a rolling tachyon
• Constraining interacting dark energy with CMB and BAO future surveys
• Quintessence Behaviour of an Anisotropic Bulk Viscous Cosmological Model in Modified $f(Q)$-Gravity
• Dark Energy and the Fate of the Universe
• Shifting the Universe: Early Dark Energy and Standard Rulers
• New Interaction between Dark Energy and Dark Matter Changes Sign during Cosmological Evolution
• Probing the imprints of generalized interacting dark energy on the growth of perturbations
• Interacting dark energy: clarifying the cosmological implications and viability conditions
• Wormhole geometries supported by three-form fields
• Holographic Dark Energy and the Universe Expansion Acceleration
• The transient acceleration from time-dependent interacting dark energy models
• Quantum Corrections to the Accretion onto a Schwarzschild Black Hole in the Background of Quintessence
• Accelerating universe in scalar tensor models - confrontation of theoretical predictions with observations
• Probing decisive answers to dark energy questions from cosmic complementarity and lensing tomography
• What is parameterized $Om(z)$ diagnostics telling us in light of recent observations?
• Cosmic age problem revisited in the holographic dark energy model
• $f(R,T)=f(R)+\lambda T$ gravity models as alternatives to cosmic acceleration
• Phenomenological Consequences of the Refined Swampland Conjecture
• Constraints on Kinematic Model from Recent Cosmic Observations: SN Ia, BAO and Observational Hubble Data
• Supernova data may be unable to distinguish between quintessence and k-essence
• Lorentz Invariance Violation induced time delays in GRBs in different cosmological models
• Entropic cosmology in a dissipative universe
• Power-law solutions in $f(T)$ gravity
• Will there be again a transition from acceleration to deceleration in course of the dark energy evolution of the universe?
• Interacting Cosmological Fluids and the Coincidence Problem
• Vacuum Energy, the Cosmological Constant and Compact Extra Dimensions: Constraints from Casimir Effect Experiments
• Late Decaying Dark Matter, Bulk Viscosity and the Cosmic Acceleration
• Dilatonic Interpretation of the Quintessence?
• Bayesian Evidences for Dark Energy models in light of current obsevational data
• Nonparametric reconstruction of the cosmic expansion with local regression smoothing and simulation extrapolation
• Dark energy interactions near the galactic centre
• Effects of time-varying $\beta$ in SNLS3 on constraining interacting dark energy models
• Quintessential inflation: A tale of emergent and broken symmetries
• Early Dark Energy at High Redshifts: Status and Perspectives
• ISW effect in Unified Dark Matter Scalar Field Cosmologies: an analytical approach
• Generalised cosmological scaling solutions
• Coupled Quintessence and Phantom Based On a Dilaton
• Unified Dark Matter models with fast transition
• Interacting new generalized Chaplygin gas
• Cosmic coincidence problem and variable constants of physics
• Cosmological Solutions of Supergravity in Singular Spaces
• Observational Constraints and Cosmological Implications of Scalar-Tensor $f(R,T)$ Gravity
• Can cosmological observations uniquely determine the nature of dark energy ?
• The Cosmic Microwave Background for a Nearly Flat Compact Hyperbolic Universe
• 3-loop Yang-Mills Condensate Dark Energy Model And Its Cosmological Constraints
• Non-minimal kinetic coupling and the phenomenology of dark energy
• Dynamics of coupled phantom and tachyon fields
• Probing modified gravity theories with multiple measurements of high-redshift quasars
• Evolution of 3D Boson Stars with Waveform Extraction
• Teleparallel Dark Energy with Purely Non-minimal Coupling to Gravity
• Brane assisted quintessential inflation with transient acceleration
• Observational Constraints on Cardassian Expansion
• Cluster mass functions in the quintessential Universe
• Thermodynamical aspects of Bianchi type-I Universe in quadratic form of $f\left(Q\right)$ gravity and observational constraints
• Kaluza-Klein Cosmology With Modified Holographic Dark Energy
• Model-independent dark energy test with sigma_8 using results from the Wilkinson Microwave Anisotropy Probe
• Quintessence in a Brane World
• Global integrability of cosmological scalar fields
• Generalized second law of thermodynamics in scalar-tensor gravity
• Constraints on Dirac-Born-Infeld type dark energy models from varying alpha
• Forecasting the Interaction in Dark Matter-Dark Energy Models with Standard Sirens From the Einstein Telescope
• Toward a Unified Description of Dark Energy and Dark Matter from the Abnormally Weighting Energy Hypothesis
• Approaching Lambda without fine-tuning
• Low redshift observational constraints on tachyon models of dark energy
• Exploring the Systematic Uncertainties of Type Ia Supernovae as Cosmological Probes
• Using a phenomenological model to test the coincidence problem of dark energy
• Energy Extraction via Magnetic Reconnection in Lorentz breaking Kerr-Sen and Kiselev Black Holes
• Holographic dark energy in Gauss-Bonnet gravity with Granda-Oliveros cut-off
• A cosmological constant from degenerate vacua
• Chameleons in the Early Universe: Kicks, Rebounds, and Particle Production
• Stationary Configurations Imply Shift Symmetry: No Bondi Accretion for Quintessence / k-Essence
• Dynamics of interacting phantom and quintessence dark energies
• Fluctuations of cosmological birefringence and the effect on CMB B-mode polarization
• Quintessence in brane cosmology
• BBN And CMB Constraints On Dark Energy
• Dark energy and dark matter from cosmological observations
• An exposition on Friedmann Cosmology with Negative Energy Densities
• Reconstructing the dark energy potential
• Quintessence with Yukawa Interaction
• Number counts in homogeneous and inhomogeneous dark energy models
• The extreme limit of the generalized Chaplygin gas
• Can the Stephani model be an alternative to FRW accelerating models?
• Dark Energy, the Swampland and the Equivalence Principle
• Bouncing Models in an Extended Gravity Theory
• Interacting new agegraphic viscous dark energy with varying $G$
• Natural Quintessence with Gauge Coupling Unification
• Formation of caustics in k-essence and Horndeski theory
• Unified Model for Dark Energy
• Trapped Quintessential Inflation
• The holographic induced gravity model with a Ricci dark energy: smoothing the little rip and big rip through Gauss-Bonnet effects?
• Higgs production as a probe of Chameleon Dark Energy
• On exact solutions for quintessential (inflationary) cosmological models with exponential potentials
• Unified Dark Matter scalar field models with fast transition
• Fine Tuning Free Paradigm of Two Measures Theory: K-Essence, Absence of Initial Singularity of the Curvature and Inflation with Graceful Exit to Zero Cosmological Constant State
• Implications for quintessence models from MAXIMA-1 and BOOMERANG-98
• Scaling solutions from interacting fluids
• Minimal dark energy: key to sterile neutrino and Hubble constant tensions?
• Gravitational Collapse in General Relativity and in $R^2$-gravity: A Comparative Study
• A Fully Self-Consistent Cosmological Simulation Pipeline for Interacting Dark Energy Models
• Search for Tracker Potentials in Quintessence Theory
• Quintessence and the Swampland: The numerically controlled regime of moduli space
• Testing Mass Varying Neutrino With Short Gamma Ray Burst
• Statefinder Parameters for Interacting Phantom Energy with Dark Matter
• Bouncing Universe and Reconstructing Vector Field
• The Cosmic Coincidence as a Temporal Selection Effect Produced by the Age Distribution of Terrestrial Planets in the Universe
• Vacuum Energy and Cosmological Supersymmetry Breaking in Brane Worlds
• Brane Quintessence
• Spatial Variations of Fundamental Constants
• Exact cosmological solutions from Hojman conservation quantities
• Cosmic Constraint on Ricci Dark Energy Model
• The transient and the late time attractor tachyon dark energy: Can we distinguish it from quintessence ?
• Cosmological dynamics of scalar fields with kinetic corrections: Beyond the exponential potential
• Cosmological evolution of general scalar fields in a brane-world cosmology
• Cosmic expansion parametrization: Implication for curvature and ${\text{H}}_0$ tension
• Dynamical Evolution of Interacting Modified Chaplygin Gas
• Fast full N-body simulations of generic modified gravity: conformal coupling models
• Dynamic wormhole geometries in hybrid metric-Palatini gravity
• Holographic dark energy from the laws of thermodynamics with Rényi entropy
• Cosmology Intertwined: A Review of the Particle Physics, Astrophysics, and Cosmology Associated with the Cosmological Tensions and Anomalies
• Late-time constraints on modified Gauss-Bonnet cosmology
• Determining the equation of state of dark energy from angular size of compact radio sources and X-ray gas mass fraction of galaxy clusters
• Area metric gravity and accelerating cosmology
• New Limits on Coupled Dark Energy from Planck
• Constraints on a $\varphi$CDM model from strong gravitational lensing and updated Hubble parameter measurements
• Quintessence Restrictions on Negative Power and Condensate Potentials
• Non-linear perturbations in scalar-tensor cosmologies
• A two-scalar model for a small but nonzero cosmological constant
• Cosmic age, Statefinder and $Om$ diagnostics in the decaying vacuum cosmology
• Power-Law Entropy Corrected Ricci Dark Energy and Dynamics of Scalar Fields
• Quintessence Unification Models from Non-Abelian Gauge Dynamics
• Reconstructing a String-Inspired Quintom Model of Dark Energy
• Analysis of two quintessence models with SN Ia data
• Post-Newtonian parameters and cosmological constant of screened modified gravity
• Catastrophic Consequences of Kicking the Chameleon
• Observational constraints on generalized Chaplygin gas model
• Constraints on Dark Energy Models Including Gamma Ray Bursts
• Fixed points in interacting dark energy models
• Brane oscillations and the cosmic coincidence problem
• Late-time cosmology in $f(Q,L_m)$ gravity: Analytical solutions and observational fits
• A new standard model of the universe
• New Agegraphic Dark Energy in Brans-Dicke Theory
• Reconstruction of k-essence model
• The Evolution of Inverse Power Law Quintessence at Low Redshift
• Nonlinear Spinor Fields and its role in Cosmology
• Testing dark energy after pre-recombination early dark energy
• Bulk viscous matter and the cosmic acceleration of the universe in $f(Q,T)$ gravity
• Initial conditions for quintessence after inflation
• Complete conformal classification of the Friedmann-Lemaitre-Robertson-Walker solutions with a linear equation of state
• The generality of inflation in closed cosmological models with some quintessence potentials
• Exploring the Latest Union2 SNIa Dataset by Using Model-Independent Parametrization Methods
• Hubble flows and gravitational potentials in observable Universe
• Dark energy and decompactification in string gas cosmology
• Simulations of Quintessential Cold Dark Matter: beyond the cosmological constant
• Dark Energy Properties in DBI Theory
• Galaxy clustering, CMB and supernova data constraints on $\varphi$CDM model with massive neutrinos
• Constraining An Exact Brans-Dicke gravity theory with Recent Observations
• Constraining $f(Q,L_m)$ gravity with bulk viscosity
• Cosmological model-independent test of $\Lambda$CDM with two-point diagnostic by the observational Hubble parameter data
• Ricci Inverse Anisotropic Stellar Structures
• Dark Matter Halos in Interacting Dark Energy Models: Formation History, Density Profile, Spin and Shape
• Modified holographic dark energy in DGP brane world
• Hydrodynamical simulations of coupled and uncoupled quintessence models I: Halo properties and the cosmic web
• Evolution of large-scale perturbations in quintessence models
• Thermodynamic constraints on a varying cosmological-constant-like term from the holographic equipartition law with a power-law corrected entropy
• Density Perturbation Growth in Teleparallel Cosmology
• On cosmological signatures of baryons-dark energy elastic couplings
• Cosmographic view on the $H_0$ and ${\sigma }_8$ tensions
• Quintessence Axion Revisited in Light of Swampland Conjectures
• Observational analysis of late-time acceleration in $f(Q,L_m)$ gravity
• Exploring Parameter Constraints on Quintessential Dark Energy: the Inverse Power Law Model
• Multiple kinetic k-essence, phantom barrier crossing and stability
• Constraining DGP Gravity from Observational Data
• New tracker models of dark energy
• DESI results: Hint towards coupled dark matter and dark energy
• Exotic Low Density Fermion States in the Two Measures Field Theory: Neutrino Dark Energy
• Redshift-space distortions in massive neutrino and evolving dark energy cosmologies
• Generalized thermodynamic constraints on holographic-principle-based cosmological scenarios
• Interacting two-component fluid models with varying EoS parameter
• Cold Dark Matter in non-Standard Cosmologies, PAMELA, ATIC and Fermi LAT
• Building non commutative spacetimes at the Planck length for Friedmann flat cosmologies
• The CMB spectrum in Cardassian models
• Absence of the Fifth Force Problem in a Model with Spontaneously Broken Dilatation Symmetry
• Testing for dynamical dark energy models with redshift-space distortions
• Cosmic Microwave Background Anisotropy with Cosine-Type Quintessence
• Marginally Stable Circular Orbits in Schwarzschild Black Hole Surrounded by Quintessence Matter
• Dynamical stability of K-essence field interacting non-minimally with a perfect fluid
• Evolution of Dark Energy Perturbations in Scalar-Tensor Cosmologies
• Dark Energy in a Hyperbolic Universe
• What $\xi$? Cosmological constraints on the non-minimal coupling constant
• Post-Newtonian Approximation of Teleparallel Gravity Coupled with a Scalar Field
• Cosmological viability conditions for $f(T)$ dark energy models
• Holographic superconductors in quintessence AdS black hole
• Fast full $N$-body simulations of generic modified gravity: derivative coupling models
• Stasis in an Expanding Universe: A Recipe for Stable Mixed-Component Cosmological Eras
• Unsuccessful cosmology with Modified Gravity Models
• Non-parametric reconstruction of interaction in the cosmic dark sector
• Constraints on Energy Momentum Squared Gravity from cosmic chronometers and Supernovae Type Ia data
• Testing gravity with $E_G$: mapping theory onto observations
• Mass varying neutrinos, symmetry breaking, and cosmic acceleration
• Cosmology and Hierarchy in Stabilized Warped Brane Models
• The $H_0$ Tension in Non-flat QCDM Cosmology
• Gravitational field of vacuumless defects
• Extended quintessence, inflation, and stable de Sitter spaces
• Brane inflation driven by noncanonical scalar field
• Quintessential Kination and Thermal Production of Gravitinos and Axinos
• Reconstructing the potentials for the quintessence and tachyon dark energy, from the holographic principle
• Supernova Constraints on Models of Neutrino Dark Energy
• "Detuned" f(R) gravity and dark energy
• Slinky Inflation
• Apparent Clustering of Intermediate-redshift Galaxies as a Probe of Dark Energy
• Two Component Model of Dark Energy
• Some Impacts of Lorentz Violation on Cosmology
• On the current status of Modified Gravity
• Narrowing down the possible explanations of cosmic acceleration with geometric probes
• Physical vs phantom dark energy after DESI: thawing quintessence in a curved background
• Recent advances in cosmological singularities
• Bayesian evidence for $\alpha$-attractor dark energy models
• Strong Bounds on Sum of Neutrino Masses in a 12 Parameter Extended Scenario with Non-Phantom Dynamical Dark Energy ($w(z)\ge -1$)
• A comprehensive investigation on the slowing down of cosmic acceleration
• Observational constraint on the interacting dark energy models including the Sandage-Loeb test
• Dark energy from approximate U(1)_{de} symmetry
• Intermediate inflation in Gauss-Bonnet braneworld
• Genesis of Dark Energy: Dark Energy as Consequence of Release and Two-stage Tracking Cosmological Nuclear Energy
• WMAP constraints on Cardassian model
• Dynamics of Scalar field in a Brane World
• On Brane Cosmology and Naked Singularities
• Dark energy interacting with two fluids
• The dark side of the torsion: Dark Energy from propagating torsion
• Perturbative approach for mass varying neutrinos coupled to the dark sector in the generalized Chaplygin gas scenario
• Hybrid Dark Sector: Locked Quintessence and Dark Matter
• Do Observations Favour Galileon Over Quintessence?
• Constraints on Neutrino Mass and Light Degrees of Freedom in Extended Cosmological Parameter Spaces
• CMB Temperature and Matter Power Spectrum in a Decay Vacuum Dark Energy Model
• Dark Energy Interacting with Dark Matter in Classical Einstein and Loop Quantum Cosmology
• Tracking Quintessence Would Require Two Cosmic Coincidences
• Dynamical analysis of interacting dark energy model in the framework of particle creation mechanism
• Derivative Chameleons
• Localized D-dimensional global k-defects
• The Accelerated Acceleration of the Universe
• Dark-Energy Dynamics Required to Solve the Cosmic Coincidence
• Reconstructing a String-Inspired Non-minimally Coupled Quintom Model
• Assisted dark energy
• Growth of matter perturbations in the extended viscous dark energy models
• Trapped Quintessential Inflation in the context of Flux Compactifications
• Interacting Dark Energy in Hořava-Lifshitz Cosmology
• Reconstructing generalized ghost condensate model with dynamical dark energy parametrizations and observational datasets
• Anisotropic k-essence cosmologies
• Revisiting the Scalar Weak Gravity Conjecture
• Universality for quintessence
• Dark Energy and the Observable Universe
• Constraining a possible time variation of the gravitational constant G with terrestrial nuclear laboratory data
• Cosmological dynamics with non-minimally coupled scalar field and a constant potential function
• Observational Constraints with Recent Data on the DGP Modified Gravity
• Statefinder parameters in two dark energy models
• Observational constraints on phantom power-law cosmology
• Interacting Ricci-like holographic dark energy
• Variable Chaplygin Gas: Constraints from CMBR and SNe Ia
• Sensitivity of wide band detectors to quintessential gravitons
• Revisit of constraints on holographic dark energy: SNLS3 dataset with the effects of time-varying $\beta$ and different light-curve fitters
• Exact Solution for Chameleon Field, Self-Coupled Through the Ratra-Peebles Potential with n = 1 and Confined Between Two Parallel Plates
• Tracking quintessence: a dynamical systems study
• Cosmic age test in inhomogeneous cosmological models mimicking $\Lambda$CDM on the light cone
• Building Supergravity Quintessence Model
• Power-law Parameterized Quintessence Model
• Exact solutions and cosmological constraints in fractional cosmology
• Cosmological data analysis of f(R) gravity models
• Cosmic microwave background radiation temperature in a dissipative universe
• Observational Constraints on Dynamical Dark Energy Models
• Bayesian model selection on Scalar $\epsilon$-Field Dark Energy
• Cosmological consequences of a scalar field with oscillating equation of state: A possible solution to the fine-tuning and coincidence problems
• Spatial gradients in the cosmological constant
• Model-Independent Reconstruction of the Expansion History of the Universe from Type Ia Supernovae
• Observational constraints on decaying vacuum dark energy model
• Quintessence with two energy scales
• Will there be future deceleration? A study of particle creation mechanism in non-equilibrium thermodynamics
• Interplay Between Gravity and Quintessence: A Set of New GR Solutions
• Scalar field cosmology in the energy phase-space -- unified description of dynamics
• Field Flows of Dark Energy
• Sourcing Dark Matter and Dark Energy from $\alpha$-attractors
• Some new class of Chaplygin Wormholes
• The Phase-space analysis of scalar fields with non-minimally derivative coupling
• Cosmological Evolution of a Tachyon-Quintom Model of Dark Energy
• Kinetically coupled dark energy
• On the phantom barrier crossing and the bounds on the speed of sound in non-minimal derivative coupling theories
• Cosmological constraints on nonphantom dynamical dark energy with DESI Data Release 2 Baryon Acoustic Oscillations: A 3$\sigma$+ lensing anomaly
• Generalized Holographic Dark Energy and its Observational Constraints
• Effect of quintessence on the energy of the Reissner-Nordstrom black hole
• New solutions with accelerated expansion in string theory
• Reconstructing a model of quintessential inflation
• Constraining the Nature of Dark Energy using the SKA
• Cosmological dynamics of $f(R)$ gravity scalar degree of freedom in Einstein frame
• Investigating the accelerated expansion of the Universe through updated constraints on viable $f(R)$ models within the metric formalism
• Cosmological Evolution Across Phantom Crossing and the Nature of the Horizon
• Uniting cosmological epochs through the twister solution in cosmology with non-minimal coupling
• New holographic dark energy model with non-linear interaction
• Exploring the evolution of color-luminosity parameter $\beta$ and its effects on parameter estimation
• Fractional Holographic Dark Energy
• Stable accelerating universe with no hair
• Comparing the scalar-field dark energy models with recent observations
• Testing an oscillatory behavior of dark energy
• Lorentzian Quintessential Inflation
• New general parametrization of quintessence fields and its observational constraints
• Probing the Evolution of the Dark Energy Density with Future Supernova Surveys
• Anthropic versus cosmological solutions to the coincidence problem
• Tachyon Field in Intermediate Inflation on the Brane
• Geodesic Structure of the Quantum-Corrected Schwarzschild Black Hole Surrounded by Quintessence
• Cosmology with nonminimal kinetic coupling and a Higgs-like potential
• Holographic dark energy: constraints on the interaction from diverse observational data sets
• Scalar-Tensor Teleparallel Gravity With Boundary Term by Noether Symmetries
• Constraining extended teleparallel gravity via cosmography: A model-independent approach
• Phenomenological Varying Modified Chaplygin Gas with Variable $G$ and $\Lambda$: Toy Models for Our Universe
• Quintom evolution in power-law potentials
• Quintessence and the cosmological constant
• A Specific Case of Generalized Einstein-aether Theories
• A brief note on how to unify dark matter, dark energy, and inflation
• The phase-space of generalized Gauss-Bonnet dark energy
• Quintessence and phantom dark energy from ghost D-branes
• Holographic kinetic k-essence model
• Model-independent study for a quintessence model of dark energy: Analysis and Observational constraints
• Cosmological Constant Behavior in DBI Theory
• Stochastic Quintessence
• Notes on interacting holographic dark energy model in a closed universe
• Fermionic partner of Quintessence field as candidate for dark matter
• Probing Cosmic Acceleration by Using the SNLS3 SNIa Dataset
• General constraints on Horndeski wormhole throats
• Cosmic Dynamics in $F(R,\varphi )$ Gravity
• A short review on clustering dark energy
• Phenomenological Fluids from Interacting Tachyonic Scalar Fields
• Perturbations in a scalar field model with virtues of $\Lambda$CDM
• The Cosmological Constant, False Vacua, and Axions
• Determining the Cosmic Equation of State Using Future Gravitational Wave Detectors
• Simple Dynamics on the Brane
• Constraints on the dark matter and dark energy interactions from weak lensing bispectrum tomography
• Dynamical Dark Energy and Spontaneously Generated Gravity
• Weak gravity conjecture constraints on inflation
• The first constraint from SDSS galaxy-galaxy weak lensing measurements on interacting dark energy models
• Constraining the Dark Universe
• A note on dynamical stabilization of internal spaces in multidimensional cosmology
• Tsallis Holographic Dark Energy Reconsidered
• Probing for the Cosmological Parameters with PLANCK Measurement
• A new extended quintessence
• Spontaneous symmetry breaking in cosmos: The hybrid symmetron as a dark energy switching device
• Spherical collapse in the extended quintessence cosmological models
• Quintessential Inflation from Lorentzian Slow Roll
• Bouncing Universe and phantom crossing in Modified Gravity and its reconstruction
• Dynamics and constraints of the Unified Dark Matter flat cosmologies
• Coincidence Problem in $f(R)$ Gravity Models
• Dynamical Stability in presence of non-minimal derivative dependent coupling of $k$-essence field with a relativistic fluid
• Cosmological dynamics of brane gravity: A global dynamical system perspective
• Cosmological Tests of Everpresent $\Lambda$
• First-order formalism for dark energy and dust
• Rigorous theoretical constraint on constant negative EoS parameter $\omega$ and its effect for the late Universe
• Growth Rate in the Dynamical Dark Energy Models
• Constraining interacting dark energy models with the halo concentration-mass relation
• Dynamical system analysis for DBI dark energy interacting with dark matter
• Unified Models of Inflation and Quintessence
• Particle-Like Description in Quintessential Cosmology
• Dark Matter Casts Light on the Early Universe
• Cosmological test on viscous bulk models using Hubble Parameter measurements and type Ia Supernovae data
• GRB neutrinos, Lorenz Invariance Violation and the influence of background cosmology
• Non-parametric reconstruction of dark energy and cosmic expansion from the Pantheon compilation of type Ia supernovae
• Reexploration of interacting holographic dark energy model: Cases of interaction term excluding the Hubble parameter
• Cosmological constrains on minimally and non-minimally coupled scalar field models
• Gaugessence: a dark energy model with early time radiation-like equation of state
• Dynamical systems analysis of phantom models
• On the growth of perturbations in interacting dark energy and dark matter fluids
• Statefinder diagnosis for the extended holographic Ricci dark energy model without and with interaction
• Instability of Chaplygin gas trajectories in unified dark matter models
• $\beta$-exponential inflation
• A Unified Model of Phantom Energy and Dark Matter
• Matter fields from a decaying background Lambda vacuum
• Born-Infeld Type Phantom Model in the $\omega -{\omega }^{\prime }$ Plane
• Age of the Universe in the Cardassian Model
• Physics Opportunities with a TeV Linear Collider
• Transient Crossing of Phantom divide line $w_{\Lambda }=-1$ under Gauss-Bonnet interaction
• Parametrization of K-essence and Its Kinetic Term
• Interacting $F(R,T)$ gravity with modified Chaplygin gas
• Spinodal Instabilities and the Dark Energy Problem
• Brans-Dicke Cosmology in 4D from scalar-vacuum in 5D
• Rip/singularity free cosmology models with bulk viscosity
• Non-minimal kinetic coupling and Chaplygin gas cosmology
• Cosmological evolution of interacting dark energy in Lorentz violation
• Attractor Solution in Coupled Yang-Mills Field Dark Energy Models
• Kick it like DESI: PNGB quintessence with a dynamically generated initial velocity
• Interacting Dark Energy: Decay into Fermions
• Spherical non-linear absorption of cosmological scalar fields onto a black hole
• Ghost condensates and pure kinetic $k$-essence condensates in presence of field-fluid non-minimal coupling in the dark sector
• Thawing models in the presence of a generalized Chaplygin gas
• Cosmology With Non-Minimally Coupled K-Field
• The unification of inflation and late-time acceleration in the frame of $k$-essence
• Cosmological Acceleration Through Transition to Constant Scalar Curvature
• Fermion field as inflaton, dark energy and dark matter
• Galaxy Formation Efficiency and the Multiverse Explanation of the Cosmological Constant with EAGLE Simulations
• Disorder on the landscape
• An analysis of cosmological perturbations in hydrodynamical and field representations
• Dilaton Coupled Quintessence Model in the $\omega -{\omega }^{\prime }$ Plane
• Partial rip scenario - a cosmology with a growing cosmological term
• Fitting oscillating string gas cosmology to supernova data
• The nonlinear power spectrum in clustering quintessence cosmologies
• Weighing the universe with accelerators and detectors
• Unifying Inflation with early and late Dark Energy in Multi-Fields: Spontaneously broken scale invariant TMT
• Cosmological acceleration
• Cosmological aspects of $f(R,T)$ gravity in a simple model with a parametrization of $q$
• Cosmological evolution of equation of state for dark energy in G-essence models
• Planck-PR4 anisotropy spectra show (better) consistency with General Relativity
• Isocurvature Perturbations of Dark Energy and Dark Matter from the Swampland Conjecture
• Two scalar field cosmology from coupled one-field models
• Friedmann Equation for Brans Dicke Cosmology
• A stable flat universe with variable Cosmological constant in f(R,T) Gravity
• Properties and uncertainties of scalar field models of dark energy with barotropic equation of state
• Dark energy and supermassive black holes
• A Model of Dark Energy and Dark Matter
• Consistency Test of Dark Energy Models
• Spatial Ricci scalar dark energy model
• Inflation and Quintessence: Theoretical Approach of Cosmological Reconstruction
• The simplest parametrization of equation of state parameter in the scalar field Universe
• The general property of dynamical quintessence field
• Observational Constraints on a Variable Dark Energy Model
• Inflationary Cosmology in the Modified $f(R,T)$ Gravity
• Emergent dark energy from unparticles
• New scaling solutions in cubic Horndeski theories
• Symmetry breaking and the onset of cosmic acceleration in scalar field models
• Cosmic Evolution in Self-Interacting Brans-Dicke Cosmology
• Testing dark energy using pairs of galaxies in redshift space
• Confronting Tracker Field Quintessence with Data
• Quintessence and cosmic acceleration
• Unified Dark Energy-Dark Matter model with Inverse Quintessence
• Linear perturbations in K-mouflage cosmologies with massive neutrinos
• Constraints on Quintessence From Using Cosmological Data
• Spinor model of a perfect fluid and their applications in Bianchi type-I and FRW models
• Inhomogeneous cosmologies, the Copernican principle and the cosmic microwave background: More on the EGS theorem
• Some Dynamical Effects of the Cosmological Constant
• A tensor theory of space-time as a strained material continuum
• Unifying dark matter, dark energy and inflation with a fuzzy dark fluid
• Cosmological Scaling Solutions for Multiple Scalar Fields
• Gravitational Lensing Constraints on Dynamical and Coupled Dark Energy
• General dynamical properties of cosmological models with nonminimal kinetic coupling
• The arbitrariness of potentials in interacting quintessence models
• Most general cubic-order Horndeski Lagrangian allowing for scaling solutions and the application to dark energy
• Formation of caustics in Dirac-Born-Infeld type scalar field systems
• Neutrinos and dark energy constraints from future galaxy surveys and CMB lensing information
• New method to constrain the relativistic free-streaming gas in the Universe
• Dark energy, curvature, and cosmic coincidence
• More Evidence for the Redshift Dependence of Color from the JLA Supernova Sample Using Redshift Tomography
• The generalized second law of thermodynamics for interacting $f(R)$ gravity
• Modified Einstein versus Modified Euler for Dark Matter
• Cosmological Implications of 5-dimensional Brans-Dicke Theory
• Effective cosmological "constant " and quintessence
• Shadows of magnetically charged rotating black holes surrounded by quintessence
• SELCIE: A tool for investigating the chameleon field of arbitrary sources
• Discrimination between Lambda-CDM, quintessence, and modified gravity models using wide area surveys
• Stringent Pulsar Timing Bounds on Light Scalar Couplings to Matter
• Latest data constraint of some parameterized dark energy models
• Raytracing simulations of coupled dark energy models
• Gravitational collapse of K-essence Matter in Painlevé-Gullstrand coordinates
• $\Lambda (t)$CDM Model as a Unified Origin of Holographic and Agegraphic Dark Energy Models
• Cosmology-informed neural networks to solve the background dynamics of the Universe
• Baryogenesis after Hyperextended Inflation
• Proposal for a Constant Cosmological Constant
• Theoretical Limits on Agegraphic Quintessence from Weak Gravity Conjecture
• The relation between cosmological redshift and scale factor for photons
• Brane-cosmology dynamics with induced gravity
• Probing dark energy with the next generation X-ray surveys of galaxy clusters
• Attractor Solutions in Lorentz Violating Scalar-Vector-Tensor Theory
• Reconstruction of late-time cosmology using Principal Component Analysis
• Future supernova probes of quintessence
• Properties of cosmologies with dynamical pseudo Nambu-Goldstone bosons
• Weak lensing probe of cubic Galileon model
• Cosmological perturbations in $k$-essence model
• Dark energy and dark matter from an inhomogeneous dilaton
• Observed galaxy power spectrum in cubic Galileon model
• Classes of non-minimally coupled scalar fields in spatially curved FRW spacetimes
• Dark energy, inflation and the cosmic coincidence problem
• An Inverse $f(R)$ Gravitation for Cosmic Speed up, and Dark Energy Equivalent
• Gravitational waves in the generalized Chaplygin gas model
• Inverse Power Law Quintessence with Non-Tracking Initial Conditions
• Phantom crossing dark energy in Horndeski's theory
• Is Trans-Planckian Censorship a Swampland Conjecture?
• On the effect of the degeneracy between w_0 and w_a
• The Ultimate Fate of Life in an Accelerating Universe
• Revisiting The Coincidence Problem in $f(R)$ Gravitation
• A comparison between axion-like and power law potentials in cosmological background
• Three dimensional dilatonic gravity's rainbow: exact solutions
• Scalar field cosmological models with finite scale factor singularities
• Cubic Derivative Interactions and Asymptotic Dynamics of the Galileon Vacuum
• Statefinder Parameters for Five-Dimensional Cosmology
• Interacting Holographic Dark Energy, the Present Accelerated Expansion and Black Holes
• Influences of Dark Energy and dark matter on Gravitational Time Advancement
• Cosmological neutrino mass limit and the dynamics of dark energy
• Accelerating Hilbert-Einstein universe without dynamic dark energy
• Neutrino Dark Energy and Moduli Stabilization in a BPS Braneworld Scenario
• Hydrodynamical simulations of coupled and uncoupled quintessence models II: Galaxy clusters
• Cosmology of Chameleons with Power-Law Couplings
• Probing a cosmological model with a $\Lambda ={\Lambda }_0+3\beta H^2$ decaying-vacuum
• Attracted to de Sitter: cosmology of the linear Horndeski models
• Generalized Galileon Model -- cosmological reconstruction and the Vainshtein mechanism --
• Exact cosmological solutions of models with an interacting dark sector
• Future constraints on the Hu-Sawicki modified gravity scenario
• Dynamics and constraints of the dissipative Liouville cosmology
• Evolution of perturbations in distinct classes of canonical scalar field models of dark energy
• Importance of being nonminimally coupled: Scalar Hawking radiation from regular black holes
• Phantom Cosmology with Non-minimally Coupled Real Scalar Field
• Nonparametric reconstructions of dynamical dark energy via flexknots
• Testing Quintessence Axion Dark Energy with Recent Cosmological Results
• Transient acceleration from a hybrid Chaplygin gas
• A preference for dynamical phantom dark energy using one-parameter model with Planck, DESI DR1 BAO and SN data
• An analytic model for the transition from decelerated to accelerated cosmic expansion
• Dark Energy and Neutrino CPT Violation
• Chameleon Field Dynamics During Inflation
• Future Island Universes in a Background Universe Accelerated by Cosmological Constant and by Quintessence
• Quintessence as k-essence
• Sub-Quantum Dark Energy
• Statefinder Diagnostic for Quintessence with or without Thermal Interaction
• Dark Energy From Fifth Dimensional Brans-Dicke Theory
• The tension on the cosmological parameters from different observational data
• The van der Waals fluid and its role in cosmology
• Late time accelerated scaling attractors in DGP (Dvali-Gabadadze-Porrati) braneworld
• On the interacting dark energy scenarios $-$ the case for Hubble constant tension
• Interacting dark energy: generic cosmological evolution for two scalar fields
• Empirical evidences in favor of a varying-speed-of-light
• De-Sitter nonlinear sigma model and accelerating universe
• Inflation and the cosmological (not-so) constant in unimodular gravity
• Cosmological tracking solution and the Super-Higgs mechanism
• Is Thick Brane Model Consistent with the Recent Observations?
• Logarithmic entropy corrected holographic dark energy with $F(R,T)$ gravity
• Coupling dark energy with Standard Model states
• Exploring the cosmological consequences of JLA supernova data with improved flux-averaging technique
• Effects of a time-varying color-luminosity parameter $\beta$ on the cosmological constraints of modified gravity models
• Statefinder parameters for quantum effective Yang-Mills condensate dark energy model
• Late time cosmic acceleration from vacuum Brans-Dicke theory in 5D
• Long time black hole evaporation with bounded Hawking flux
• Impacts of different SNLS3 light-curve fitters on cosmological consequences of interacting dark energy models
• Time-averaging axion-like interacting scalar fields models
• Universe Evolution in a 5D Ricci-flat Cosmology
• Emergence of cosmic space and its connection with thermodynamic principles
• DESI constraints on $\alpha$-attractor inflationary models
• Dynamics of interacting scalar field model in the realm of chiral cosmology
• Nonlinear effects of dark energy clustering beyond the acoustic scales
• Probing cosmic acceleration by strong gravitational lensing systems
• Stability of mass varying particle lumps
• Quintessence-the Dark Energy in the Universe?
• Exact Solutions and Accelerating Universe in Modified Brans-Dicke Theories
• Gauged Quintessence
• Gravitational Magnus effect
• Non-virialised clusters for detection of Dark Energy-Dark Matter interaction
• Thawing quintessence from the inflationary epoch to today
• Viability of the Matter Bounce Scenario
• Topological Quintessence
• Dynamic Field Theory and Equations of Motion in Cosmology
• A Dark Energy Model in Lyra Manifold
• Quintessence in the Weyl-Gauss-Bonnet model
• A model independent parametrization of the late time cosmic acceleration: constraints on the parameters from recent observations
• Galileons, phantom fields, and the fate of the Universe
• Singularity formation in asymptotically safe cosmology with inhomogeneous equation of state
• Reconstruction of $5D$ Cosmological Models From Equation of State of Dark Energy
• Perfect Fluid Spherically-Symmetric Solutions in Massive Gravity
• Dynamical description of a quintom cosmological model nonminimally coupled with gravity
• Interacting Ghost Dark Energy in Complex Quintessence Theory
• Runaway Domain Wall and Space-time Varying alpha
• Interaction between modified Chaplygin gas and ghost dark energy in presence of extra dimensions
• Perfect fluids with $\omega =\mathrm{const}$ as sources of scalar cosmological perturbations
• Cosmological constraints from low-redshift data
• An expanding 4D universe in a 5D Kaluza-Klein cosmology with higher dimensional matter
• Quintessence Model and Observational Constraints
• Scalar field dark energy perturbations and the Integrated Sachs Wolfe effect
• Constraining dark sector perturbations II: ISW and CMB lensing tomography
• On finite time singularities in scalar field dark energy models based in the RS-II Braneworld
• Dynamical systems analysis of the cubic galileon beyond the exponential potential and the cosmological analogue of the vDVZ discontinuity
• Reconstructing a non-linear interaction in the dark sector with cosmological observations
• Complex Scalar Field Reheating and Primordial Black Hole production
• Thermodynamics of Modified Chaplygin Gas and Tachyonic Field
• Fractal Approach to Large-Scale Galaxy Distribution
• Holographic dark energy with time depend gravitational constant in the non-flat Ho$\check{r}$ava-Lifshitz cosmology
• Rapid Oscillatory quintessence with variable equation of state parameter in non minimal derivative coupling model
• Screening Mechanism and Late-time Cosmology: Role of a Chameleon-Brans-Dicke Scalar Field
• Dynamical age of the universe as a constraint on the parametrization of dark energy equation of state
• Transient acceleration in $f(T)$ gravity
• Cosmological fluids in the equivalence between Rastall and Einstein gravity
• Lorentzian wormhole in the framework of loop quantum cosmology
• The dark side of curvature
• Scalar field potentials for cosmology
• Two-Dilaton Theories in Two Dimensions from Dimensional Reduction
• Scaling Dark Energy
• Challenging the Cosmological Constant
• A remark on Brans-Dicke dust cosmological solutions with negative $\omega$
• Tracking Quintessence and Cold Dark Matter Candidates
• Dynamical Dark Energy model parameters with or without massive neutrinos
• Shape of Dark Energy: Constraining Its Evolution with a General Parametrization
• Inference for the dark energy equation of state using Type IA supernova data
• A constant equation of state for quintessence ?
• Minimal Noncanonical Cosmologies
• Photon Mixing in Domain Walls and the Cosmic Coincidence Problem
• Stringent constraint on the scalar-neutrino coupling constant from quintessential cosmology
• Thermodynamics in the universe described by the emergence of the space and the energy balance relation
• On the viability of Planck scale cosmology with quartessence
• Local probes strongly favor $\Lambda$CDM against power-law and $R_h=ct$ universe
• Exploring Plane Symmetric Solutions in $f(R)$ Gravity
• Quintom dark energy in DGP braneworld cosmology
• Exponential Potentials and Attractor Solution of Dilatonic Cosmology
• Quintessence Dark Energy from strongly-coupled Higgs mass gap: Local and Non-local higher-derivative non-perturbative scenarios
• Constraints on the Phase Plane of the Dark Energy Equation of State
• A stringy perspective on the coincidence problem
• Rényi Holographic Dark Energy
• The $k$-essence scalar field in the context of Supernova Ia Observations
• Interacting holographic dark energy models: A general approach
• Dynamics of viable $f(R)$ dark energy models in the presence of Curvature-Matter interactions
• A More Accurate Parameterization based on cosmic Age (MAPAge)
• Type V singularities in non-standard cosmological backgrounds
• Study of a viscous $\Lambda$WDM model: Near equilibrium condition, entropy production, and cosmological constraints
• Light mass galileon and late time acceleration of the Universe
• Manifestly Gauge Invariant Perturbations of Scalar-Tensor Theories of Gravity
• Thermodynamics and Lemaitre-Tolman-Bondi void models
• Observational constraints on the braneworld model with brane-bulk energy exchange
• Observation constraints on scalar field cosmological model in Anisotropic universe
• Towards a Solution to the H0 Tension: the Price to Pay
• Exploring the Cosmological Model in $f(R,T^{\varphi })$ Gravity with Observational Constraints
• Minimal model dependent constraints on cosmological nuisance parameters and cosmic curvature from combinations of cosmological data
• Cosmological Imprints of SUSY Breaking in Models of Sgoldstinoless Non-Oscillatory Inflation
• Exploring bulk viscous unified scenarios with Gravitational Waves Standard Sirens
• Slow rolling, inflation and quintessence
• Kantowski-Sachs spherically symmetric solutions in teleparallel $F(T)$ gravity
• Prospects in Constraining the Dark Energy Potential
• Gravitational constant in multiple field gravity
• Tsallis holographic dark energy with power law ansatz approach
• Observational Constraints on the Generalized Chaplygin Gas
• Scaling solutions and geodesics in moduli space
• Detecting dark energy in long baseline neutrino oscillations
• Testing the nature of Dark Energy with Precision Cosmological constraints
• Curvature dominance DE-model in $f(R)$-gravity
• Thawing and Freezing Quintessence Models: A thermodynamic Consideration
• Ultraviolet complete dark energy model
• Interaction between phantom field and modified Chaplygin gas
• Interacting new agegraphic Phantom model of dark energy in non-flat universe
• Analytical Gaussian Process Cosmography: Unveiling Insights into Matter-Energy Density Parameter at Present
• Non-Oscillatory No-Scale Inflation
• Quantizing the Eisenhart Lift
• The interaction of neutrinos with Phantom, Quintessence, and Quintum scalar fields and its effect on the formation of structures in the early Universe
• Quintessential Inflation in Palatini Gravity
• Cosmological Scaling Solutions with Tachyon:Modified Gravity Model
• HI intensity mapping with MeerKAT: forecast for delay power spectrum measurement using interferometer mode
• Noether Symmetry Approach for Dirac-Born-Infeld Cosmology
• Dissecting kinetically coupled quintessence: phenomenology and observational tests
• $f(\bar{R},L(X))$-gravity in the context of dark energy with power law expansion and energy conditions
• SNe Ia Tests of Quintessence Tracker Cosmology in an Anisotropic Background
• Dark matter superfluid and DBI dark energy
• Observational Constraints on Axions as Quintessence in String Theory
• The evolution of the universe from noncompact Kaluza-Klein theory
• Emulating $\Lambda$CDM-like expansion on the Phantom brane
• Observational constraints on interactions between dark energy and dark matter with momentum and energy transfers
• Null tests with Gaussian Process
• Redshift space distortions in the presence of non-minimally coupled dark matter
• Holographic Dark Energy and Quantum Entanglement
• Solar chameleons: Novel channels
• DBI Galileon and Late time acceleration of the universe
• Cosmology with a long range repulsive force
• Deformation of Axion Potentials: Implications for Spontaneous Baryogenesis, Dark Matter, and Isocurvature Perturbations
• Statefinder Diagnostic for Phantom Model with $V(\varphi )=V_0\exp (-\lambda {\varphi }^2)$
• Euclidean wormholes with minimally coupled scalar fields
• Constraints on the speed of sound in the k-essence model of dark energy
• Post-reionization HI 21-cm signal: A probe of negative cosmological constant
• Wiggly cosmic strings accrete dark energy
• Dynamical Analysis of Scalar Field Cosmologies with Spatial Curvature
• Smooth crossing of $w_{\Lambda }=-1$ line in a single scalar field model
• Thawing in a coupled quintessence model
• Ultra-high energy cosmic rays, cosmological constant, and $\theta$-vacua
• Holographic dilatonic model of dark energy
• The Integrated Sachs-Wolfe Effect in the Bulk Viscous Dark Energy Model
• Quintessential early dark energy
• Gravitational Origin of Phantom Dark Energy and Late Cosmic Acceleration
• Inflation and Oscillations of Universe in 4D Dilatonic Gravity
• Qualitative behavior of cosmological models combining various matter fields
• Late-time acceleration with steep exponential potentials
• Cosmological Analysis of Modified Holographic Ricci Dark Energy in Chern-Simons Modified Gravity
• Dynamical System Analysis of Quintessence Models with Exponential Potential -- Revisited
• The observational constraints on the flat $\varphi$CDM models
• Holographik, the k-essential approach to interactive models with modified holographic Ricci dark energy
• $K$-essence model from the mechanical approach point of view: coupled scalar field and the late cosmic acceleration
• The Chameleon Effect in the Jordan Frame of the Brans--Dicke Theory
• Cosmological consequences of a scalar field with oscillating equation of state. II. Oscillating scaling and chaotic accelerating solutions
• Modified Regge calculus as an explanation of dark energy
• Complete classification of Friedmann-Lemaître-Robertson-Walker solutions with linear equation of state: parallelly propagated curvature singularities for general geodesics
• Effects of Chameleon Scalar Field on Rotation Curves of the Galaxies
• Interacting agegraphic dark energy models in phase space
• Effect of quintessence dark energy on the shadow of Hayward black holes with spherical accretion
• Tsallis holographic dark energy under Complex form of Quintessence model
• Scaling solutions as Early Dark Energy resolutions to the Hubble tension
• Conformal Transformations and Accelerated Cosmologies
• A Comparison of Quintessence and Nonlinear Born-Infeld Scalar Field Using Gold Supernova data
• Towards a High Energy Theory for the Higgs Phase of Gravity
• Interacting Models of Dark Energy and Dark Matter in Einstein scalar Gauss Bonnet Gravity
• General parametrization for energy density of quintessence field
• Black holes immersed in polytropic scalar field gas
• Cosmological implications of tracker scalar fields: Testing the evidence for dynamical dark energy with recent data
• Transition from decelerated to accelerated cosmic expansion in braneworld universes
• Applications to cosmological models of a complex scalar field coupled to a U(1) vector gauge field
• Imprints of screened dark energy on nonlocal quantum correlations
• Accelerated expansion from braneworld models with variable vacuum energy
• Coupled dark energy model inspired from general conformal transformation
• Classical stochastic approach to cosmology revisited
• WMAP Constraints on Quintessence
• A statistical representation of the cosmological constant from finite size effects at the apparent horizon
• Cosmological Coincidence without Fine Tuning
• Phenomemology of a Realistic Accelerating Universe Using Tracker Fields
• Beyond Einstein's General Relativity
• How Einstein Discovered Dark Energy
• Interacting holographic tachyon model of dark energy
• Cosmology in Nonlinear Born-Infeld Scalar Field Theory With Negative Potentials
• Phantom fields: bounce solutions in the early Universe and S-branes
• Observational constraints upon quintessence models arising from moduli fields
• First-order formalism for the quintom model of dark energy
• Wave dynamics of phantom scalar perturbation in the background of Schwarzschild black hole
• Inhomogeneous cosmologies with Q-matter and varying $\Lambda$
• Dynamical System Analysis of a Dirac-Born-Infeld Model : A Center Manifold Perspective
• Reconstructions of $f(\mathcal{P})$ and $f(\mathcal{Q})$ gravity models from $(m,n)$-type Barrow Holographic Dark Energy: Analysis and Observational Constraints
• Dark Energy on Astrophysical Scales and Its Detection in the Milky Way
• Constraints on Cosmological Models from Hubble Parameters Measurements
• An extension of the cosmological standard model with a bounded Hubble expansion rate
• Late time cosmic acceleration from natural infrared cutoff?
• Non-locality and late-time cosmic acceleration from an ultraviolet complete theory
• A primer on problems and prospects of dark energy
• A new logotropic model based on a complex scalar field with a logarithmic potential
• Holographic field theory models of dark energy in interaction with dark matter
• The accelerated scaling attractor solution of the interacting agegraphic dark energy in Brans-Dicke theory
• A new take on the inflationary quintessence
• Low-Redshift Constraints on Covariant Canonical Gauge Theory of Gravity
• Dynamics of Brans-Dicke cosmology with varying mass fermions
• Barrow holographic dark energy models in $f\left(Q\right)$ symmetric teleparallel gravity with Lambert function distribution
• Quintessentially Flat Scalar Potentials
• 21 cm power spectrum in interacting cubic Galileon model
• Perturbations in Tachyon Dark Energy and their Effect on Matter Clustering
• Quintessence models with an oscillating equation of state and their potentials
• Cosmological fluids with boundary term couplings
• Using (4+1) split and energy conditions to study the induced matter in 5D Ricc-flat cosmology
• Observable interactions of quintessence with ordinary matter and neutrinos
• $\Lambda$CDM as a Noether Symmetry in Cosmology
• Cosmological singularities in $f(T,\varphi )$ gravity
• Addressing the Hubble tension in Yukawa cosmology?
• Presence of anisotropic pressures in Lemaître-Tolman-Bondi cosmological models
• The Fate of the Universe: Dark Energy Dilution?
• Beyond Two Parameters: Revisiting Dark Energy with the Latest Cosmic Probes
• A Universe with a generalized ghost dark energy and Van der Waals fluid interacting with a fluid
• Dynamical stability of an interacting quintessence with varying-mass dark matter particles in Lyra manifold
• Interacting warm dark matter
• Cosmological solutions in teleparallel $F(T,B)$ gravity
• First and second order cosmological perturbations in light mass Galileon models
• Coupled Quintessence scalar field model in light of observational datasets
• Freezing Out Early Dark Energy
• Fitting inverse power-law quintessence models using the SNAP satellite
• Spherical collapse in coupled quintessence with a $\Lambda$CDM background
• Gravitational Field Equations and Theory of Dark Matter and Dark Energy
• Exploring Modified Gravity: Constraints on the $\mu$ and $\Sigma$ Parametrization with WMAP, ACT, and SPT
• Nonlinear Spinor Fields in Bianchi type-VI spacetime
• Scalar-Gauss-Bonnet model, the coincidence problem and the gravitational wave speed
• Phantom shell around black hole and global geometry
• Interacting parametrized post-Friedmann method
• Chameleonic dilaton and conformal transformations
• Phantom energy from graded algebras
• The Universality of Seesaws
• Reconstructing FHDE with Scalar and Gauge Fields
• Phantom crossing or dark interaction?
• Dynamics of the universe with disformal coupling between the dark sectors
• Late-time Background Constraints on Linear and Non-linear Interacting Dark Energy after DESI DR2
• Quintessence dissipative superattractor cosmology
• Constraining Cosmological Parameters with Viscous Modified Chaplygin Gas and Generalized Cosmic Chaplygin Gas Models in Horava-Lifshitz Gravity: Utilizing Late-time Datasets
• Dynamical analysis of the Tsallis holographic dark energy models with event horizon as cut-off and interaction with matter
• Reconstruction of the dark energy scalar field potential by Gaussian process
• Evolution of dissipative and non-dissipative universes in holographic cosmological models with a power-law term
• Dynamical analysis of coupled curvature-matter scenario in viable $f(R)$ dark energy models at de Sitter phase
• Quintessence and Thermal Matter
• Realistic Equations of State for the Primeval Universe
• Flat Cosmology with Coupled Matter and Dark Energies
• Coupled scalar field cosmology with effects of curvature
• Homogeneous and Isotropic Charge Densities to Accelerate the Universe
• Cold Dark Matter Based on an Analogy with Superconductivity
• Energy conditions in $f(Q,L_m)$ gravity
• Non perturbative renormalization group potentials and quintessence
• The Nature of Dark Energy and Constraints on Its Hypothetical Constituents from Force Measurements
• Reconstructing quintom from WMAP 5-year observations: Generalized ghost condensate
• Constraining Models of Dark Energy
• Scalar Field Kantowski--Sachs Solutions in Teleparallel $F(T)$ Gravity
• Old Dark Energy
• Big Bang Nucleosynthesis with $f(R)$ gravity scalarons and astrophysical consequences
• APPLIED COSMOGRAPHY: A Pedagogical Review
• Hubble flow variations as a test for inhomogeneous cosmology
• Dark energy in hybrid inflation
• Constraints on primordial black holes for nonstandard cosmologies
• Dark energy from the motions of neutrinos
• Dynamical evolution of phantom scalar perturbation in the background of Schwarzschild black String spacetime
• Cosmological evolution of generalized non-local gravity
• Quintessential Inflation with Dissipative fluid
• Reconstruction of Five-dimensional Bounce cosmological Models From Deceleration Factor
• Non-vacum conformally flat space-times: dark energy
• Magnetic Fields and the Cosmic Microwave Background
• Relaxation versus collision times in the cosmological radiative era
• Observational constraints on complex quintessence with attractive self-interaction
• Species, chameleonic strings and the concept of particle
• Standard Electroweak Interactions in Gravitational Theory with Chameleon Field and Torsion
• The Hamiltonian formalism for scalar fields coupled to gravity in a cosmological background
• Vacuum energy sequestering and cosmic dynamics
• Sub-horizon evolution of cold dark matter perturbations through dark matter-dark energy equivalence epoch
• Acceptable Inverse Power Law Potential Quintessence with n=18/7
• Non-local dilaton coupling to dark matter: cosmic acceleration and pressure backreaction
• Reconstruction of the interaction term between dark matter and dark energy using SNe Ia
• Flatness without CMB - the Entanglement of Spatial Curvature and Dark Energy Equation of State
• Obtaining a scalar fifth force via a broken-symmetry couple between the scalar field and matter
• Using bright ellipticals as dark energy cosmic clocks
• Emergent Cosmology in Models of Nonlinear Electrodynamics
• The phase transition of Rastall AdS black hole with cloud of strings and quintessence
• New perspectives on future rip scenarios with holographic dark energy
• Growth and Geometry Split in Light of the DES-Y3 Survey
• Is there evidence for CIDER in the Universe?
• Scalar Dark Energy Models and Scalar-Tensor Gravity: Theoretical Explanations for the Accelerated Expansion of Present Universe
• The impact of the cosmological constant on past and future star formation
• Black Hole Dynamics in Power-law based Metric $f(R)$ Gravity
• Complementarity of Future Dark Energy Probes
• Crossing of the Cosmological Constant Boundary - an Equation of State Description
• New simple and accurate quintessence approximations
• The variation of the electromagnetic coupling and quintessence
• Chaotic interactions between dark matter and dark energy
• A New Window on Dynamical Dark Energy: Combining DESI-DR2 BAO with future Gravitational Wave Observations
• Collapse driven by a scalar field without final singularity
• The entangled accelerating universe
• Dark Energy in the DESI Era: A Brief Review of Evidence, Beyond-$\Lambda$CDM Interpretations, and Tensions
• Thawing F(R) cosmology
• Model-Independent Reconstruction of Quintessence Potential and Kinetic Energy from DESI DR2 and Pantheon+ Supernovae
• Using simulated Tianqin gravitational wave data and electromagnetic wave data to study the coincidence problem and Hubble tension problem
• Mass varying dark matter in effective GCG scenarios
• Scalar field source Teleparallel Robertson-Walker F(T)-gravity solutions
• Cosmological implications of non-minimally coupled f(Q) gravity
• Gravitational Slip parameter and Gravitational Waves in Einstein-Cartan theory
• Beyond dark energy Fisher forecasts: how DESI will constrain LCDM and quintessence models
• On the Quintessence with Abelian and Non-abelian Symmetry
• Variable Chaplygin Gas: Constraints from Supernovae, GRB and Gravitational Wave Merger Events
• Global asymptotic dynamics of the cubic galileon interacting with dark matter
• Cosmic Acceleration and Geodesic Deviation in Chameleon Scalar Field Model
• Cosmological consequences of a scalar field with oscillating equation of state. III. Unifying inflation with dark energy and small tensor-to-scalar ratio
• Constant-roll, cosmic acceleration, and massive neutrinos
• Matter Growth in Imperfect Fluid Cosmology
• Sudden Future Singularities in Quintessence and Scalar-Tensor Quintessence Models
• $\Lambda$ is Coming: Parametrizing Freezing Fields
• Investigation of Bouncing Universe and Phantom Crossing in Modified Gravity Coupled with Weyl Tensor and its Reconstruction
• Reconstruction of $f(R)$ lagrangian from a massive scalar field
• Dynamics of the self-interacting chameleon cosmology
• Chameleon gravity on cosmological scales
• Constraining dark energy using observational growth rate data
• Phantom Dirac-Born-Infeld Dark Energy
• Time-reparametrization invariance and Hamilton-Jacobi approach to the cosmological sigma-model
• Interacting Three Fluid System and Thermodynamics of the Universe Bounded by the Event Horizon
• Kinetic gravity braiding wormhole geometries
• Anti-Anthropic Solutions to the Cosmic Coincidence Problem
• The effect of curvature in thawing models
• Dark Energy from holographic theories with hyperscaling violation
• Probing Quintessence Potential with Future Cosmological Surveys
• Can Holographic dark energy increase the mass of the wormhole?
• Inflation driven by q-de Sitter
• Braneworld gravity within non-conservative gravitational theory
• Dynamical Cosmological Constant from A Very Recent Phase Transition
• Cosmological acceleration from a gas of strings
• Generalized phenomenological models of dark energy
• Constraining Slow-Roll Inflation in the Presence of Dynamical Dark Energy
• Cosmological scalar fields and Big-Bang nucleosynthesis
• Dark Energy with a Fine-toothed Comb
• Effective Low-Energy Potential for Slow Dirac Fermions in Einstein-Cartan Gravity with Torsion and Chameleon
• Coupled scalar fields in the late Universe: The mechanical approach and the late cosmic acceleration
• Effects of a scalar scaling field on quantum mechanics
• Nonlinear Spinor Fields in Bianchi type-III spacetime
• Friedmann-Robertson-Walker Models with Late-Time Acceleration
• From Swampland to Phenomenology and Back
• Cosmological scenarios from multiquintessence
• Interacting dark energy model in the brane scenario: A Dynamical System Analysis
• Cosmic acceleration from second order gauge gravity
• A comprehensive data-driven odyssey to explore the equation of state of dark energy
• The Matrix Reloaded - on the Dark Energy Seesaw
• Constraining Dynamical Dark Energy Models through the Abundance of High-Redshift Supermassive Black Holes
• Constraints on Dark Energy from New Observations including Pan-STARRS
• A critical-density closed Universe in Brans-Dicke theory
• Non-Gaussianity of the density distribution in accelerating universes
• Thermodynamics of Modified Chaplygin-Jacobi Gas and Modified Chaplygin-Abel Gas: Stability Analysis and Observational Constraints
• Extreme parameter sensitivity in quasidilaton massive gravity
• Interacting non-minimally coupled canonical, phantom and quintom models of holographic dark energy in non-flat universe
• Constraining hybrid potential scalar field cosmological model in Lyra's geometry with recent observational data
• Dynamical evolution of quintessence cosmology in a physical phase space
• Spatial correlations of dark energy from quantum fluctuations in inflation
• The torsion cosmology in Kaluza-Klein theory
• Dark Energy and Extending the Geodesic Equations of Motion: Its Construction and Experimental Constraints
• Cosmic curvature on large-scale structures with homogeneous dark energy
• Particle Production and Universal Thermodynamics
• Cosmic Steps in Modeling Dark Energy
• Dark Energy and Inflation with Volume Normalized Action
• Role of generalized Ricci dark energy on Chameleon field in the emergent universe
• Cosmological constraints for the Cosmic Defect theory
• Cosmic Evolution with Early and Late Acceleration Inspired by Dual Nature of the Ricci Scalar Curvature
• Implications to CMB from Model Independent evolution of w and Late Time Phase Transition
• The Distribution of Vacua in Random Landscape Potentials
• Can Geometric Test Probe the Cosmic Equation of State ?
• Prospects of probing dark energy with eLISA: Standard versus null diagnostics
• Evolution of Dark Energy Perturbations for Slotheon Field and Power Spectrum
• Effective cosmological constant from TeV-scale physics: Simple field-theoretic model
• Gauge Invariant Perturbation Analysis for Quintessence with an Exponential Potential
• Some studies on dark energy related problems
• Observational constraints on viscous cosmology in $f(T,L_m)$ gravity
• Dynamical neutrino masses in the generalized Chaplygin gas scenario with mass varying CDM
• Constraining primordial black hole masses through $f(R)$ gravity scalarons in Big Bang Nucleosynthesis
• Phenomenological models of Universe with varying $G$ and $\Lambda$
• Optimizing the Evolution of Perturbations in the $\Lambda$CDM Universe
• Consistency of $f(R)$ gravity models around solar polytropes
• Probing Quintessence using BAO imprint on the cross-correlation of weak lensing and post-reionization HI 21 cm signal
• Scalar tachyonic instabilities in gravitational backgrounds: Existence and growth rate
• Cosmological signatures of a Rapid Diluted Energy Density
• DBI analog of a decaying vacuum cosmology
• The coincidence problem in $f(R)$ gravity models
• Inflation in non-local hybrid metric-Palatini gravity
• Dualities between Scale Invariant and Magnitude Invariant Perturbation Spectra in Inflationary/Bouncing Cosmos
• Testing the coincidence problem with strong gravitational lens, Type Ia supernovae and Hubble parameter observational data
• Constraining an Expanding Locally Anisotropic metric from the Pioneer anomaly
• Reconstruction of the interaction term between dark matter and dark energy using SNe Ia, BAO, CMB, H(z) and X-ray gas mass fraction
• $f(R)$ Dual Theories of Quintessence : Expansion-Collapse Duality
• Non-Minimal Inflation with a scalar-curvature mixing term $\frac{1}{2}\xi R{\varphi }^2$
• Type V singularities with inhomogeneous equations of state
• Dynamics of Multi-Component, Multi-Field Quintessence
• Emergent D-instanton as a source of Dark Energy
• Interacting Induced Dark Energy Model
• Accretion of Holographic Dark Energy : Dependency only upon Horizon Radius of Expanding Universe
• Fine Tuning Problem of the Cosmological Constant in a Generalized Randall-Sundrum Model
• Cosmological consequences of a scalar field with oscillating equation of state. IV. Primordial nucleosynthesis and the deuterium problem
• Nonlinear power spectrum in clustering and smooth dark energy models beyond the BAO scale
• Long-wavelength non-linear perturbations of a complex scalar field
• Effect of Dark Energy Perturbation on Cosmic Voids Formation
• Transient weak gravity in scalar-tensor theories
• Cosmological Solutions of Chameleon Scalar Field Model
• Exploring the deviation of cosmological constant by a generalized pressure dark energy model
• Hitchhiker's Guide to the Swampland: The Cosmologist's Handbook to the string-theoretical Swampland Programme
• D-bound and Bekenstein bound for McVittie solution surrounded by dark energy cosmological fields
• Effective field theory of coupled dark energy and dark matter
• Tracking $f(R)$ cosmology
• Comparison of Supernovae datasets Constraints on Dark Energy
• Thawing vs. Tracker Solutions: A Dynamical Systems Approach
• Generalized Holographic Cosmology: low-redshift observational constraint
• Cosmic Acceleration from Causal Backreaction in a Smoothly Inhomogeneous Universe
• Canonical structure of minimal varying $\Lambda$ theories
• Variational symmetries and superintegrability in multifield cosmology
• Teleparallel Gravity and Quintessence: The Role of Nonminimal Boundary Couplings
• Estimations of the cosmological parameters from the observational variation of the fine structure constant
• Pseudo Newtonian Potential For a Rotating Kerr Black Hole Embedded in Quintessence
• New measures to test modified gravity cosmologies
• Non-Parametric Analysis for the Dark Matter Density Evolution
• Power Law and Logarithmic Ricci Dark Energy Models in Horava-Lifshitz Cosmology
• Enhanced power of gravitational waves and rapid coalescence of black hole binaries through dark energy accretion
• A closer look at the cosmological implications of the $\Lambda$HDE model
• Effects of dark energy and flat rotation curve on the gravitational time delay of particle with non-zero mass
• Implications of Dynamical Dark Energy in the expansion of the Universe and the Structure Formation
• Observational constraints on a Yang-Mills condensate dark energy model
• Rips and regular future scenario with Holographic Dark Energy: A comprehensive look
• Avoiding parameter fine-tuning in mass varying neutrino models of DE?
• Generalized Ghost Pilgrim Dark Energy Fractal Cosmology with Observational Constraint
• Gravastar in the framework of Loop Quantum Cosmology
• Entropic considerations on the Universe and Universe-Black Hole Systems
• Oscillating solutions of the matter density contrast in Horndeski's theory
• Anisotropic background for two fluids: matter and holographic dark energy
• Constraining the runaway dilaton and quintessential dark energy
• Reconstructions of Einstein-Aether Gravity from Barrow Agegraphic and New Barrow Agegraphic Dark Energy models: Examinations and Observational Limits
• Intermediate inflation or late time acceleration?
• Holographic Ricci dark energy and generalized second law
• Cosmic Acceleration and a New Concordance from Causal Backreaction
• D-bound and Bekenstein Bound for the Surrounded Vaidya Black Hole
• A Quintessence Problem in Self-interacting Brans-Dicke Theory
• Viscous fluid dynamics with decaying vacuum energy density
• Stochastic evolution of cosmological parameters in the early universe
• Cross-correlating radial peculiar velocities and CMB lensing convergence
• Preheating and Dark Sector of Universe
• Extended Metastable Dark Energy
• Probing Cosmology with Baryon Acoustic Oscillations using Gravitational Waves
• Probing Cosmic Acceleration by Using Model-Independent Parametrizations and Three Kinds of Supernova Statistics Techniques
• FLRW Cosmology of Induced Dark Energy Model and Open Universe
• Scalar Field, Four Dimensional Spacetime Volume and the Holographic Dark Energy
• Cosmic scalar fields with flat potential
• Observational constraints on the massive neutrinos induced late-time cosmic acceleration
• Graceful exit from inflation to radiation era with rapidly decreasing agegraphic potentials
• Vacuum Energy and Renormalization of the Field-Independent Term
• Cosmic Evolution in a Modified Brans-Dicke Theory
• Interacting Constituents in Cosmology
• Anisotropic cosmology in Bumblebee gravity theory
• Time variation of the Equation of State for Dark Energy
• Phantom scalar emission in the Kerr black hole spacetime
• Unified Dark Energy and Dark Matter from Dynamical Spacetime Cosmology
• Cosmology of a Friedmann-Lamaître-Robertson-Walker 3-brane, Late-Time Cosmic Acceleration, and the Cosmic Coincidence
• Reconstructing the Cosmic Expansion History with a Monotonicity Prior
• Classical and quantum quintessence cosmology
• Tracker coupled quintessence
• Interacting dark sector with quadratic coupling: theoretical and observational viability
• Implications upon theory discrimination of an accurate measurement of the time rate of change of the gravitational parameter and other cosmological parameters
• Cosmological singularities in non-canonical models of dark energy
• On the Field Theoretical Description of an Alternative Model to Generalized Chaplygin Gas and its Thermodynamic Behaviour
• A novel model of non-singular oscillating cosmology on flat Randall-Sundrum II braneworld
• Early dark energy and scalarization in a scalar-tensor model
• The $D$-dimensional charged AdS black holes solutions in polytropic dark energy from Barrow entropy
• A comparison of cosmological models with high-redshift quasars
• Quintessence and tachyon dark energy in interaction with dark matter: Observational constraints and model selection
• Search for dark energy potentials in quintessence theory
• The electromagnetic coupling and the dark side of the Universe
• Exploring the evolution of structure growth in the universe with field-fluid interactions through dynamical stability analysis
• Dynamical system analysis in descending dark energy model
• Potentials of Coupled Quintessence Based on a Dilaton
• Neutrino Lorentz invariance violation from the CPT-even SME coefficients through a tensor interaction with cosmological scalar fields
• Reconstruction of 5D Cosmological Model From Recent Observations
• Two-Field Quintessential Higgs model and the Swampland
• Constraining Chaplygin models using diffuse supernova neutrino background
• Cosmology from a running vacuum model driven by a scalar field
• A New Approach to Testing Dark Energy Models by Observations
• Quantum Yang-Mills Condensate Dark Energy Models
• Statefinder diagnosis of nearly flat and thawing non-minimal quintessence
• How does Inflation Depend Upon the Nature of Fluids Filling Up the Universe in Brane World Scenario
• Dark energy without fine tuning
• Chameleon Gravity as an Alternative to Dark Matter
• Reconstructing cosmic evolution with a density parametrization
• Quantum tunneling driven by quintessence and the role of GUP
• Observational constraints on generic models of non-minimal curvature-matter coupling
• Supergravity models of Quintessence and Supersymmetry breaking
• Probing bottom-associated production of a TeV scale scalar decaying to a top quark and dark matter at the LHC
• Bouncing and collapsing universes dual to late-time cosmological models
• Gravitational waves in a stringlike fluid cosmology
• Entropy Bounds and Holographic Dark Energy: Conflicts and Consensus
• Dark energy from quantum wave function collapse of dark matter
• Non-canonical 3-form dark energy
• The frozen vanilla model: Exploring dark sector interactions with delta effective theories
• Toy models of Universe with an Effective varying $\Lambda$-Term in Lyra Manifold
• Quintessence, Supersymmetry and Inflation
• Approximate $w_{\varphi }\sim {\Omega }_{\varphi }$ Relations in Quintessence Models
• Experimental demonstration of a fifth force due to chameleon field via cold atoms
• Evolution of perturbations in a universe with exotic solid-like matter
• Constraining Recent Oscillations in Quintessence Models with Euclid
• The string theory swampland in the Euclid, SKA and Vera Rubin observatory era
• Cosmological constraints on a dark energy model with a non-linear scalar field
• Weak Gravity Conjecture and Holographic Dark Energy Model with Interaction and Spatial Curvature
• Solving an Interacting Quintessence Model with a Sound Horizon Initial Condition and its Observational Constraints
• Quantum Radiation from Black Holes
• Single scalar cosmology
• Dark energy from conformal symmetry breaking
• Early Tracking Behavior in Small-field Quintessence Models
• Exact solution and exotic fluid in cosmology
• Mimetic Tensor-Vector-Scalar Cosmology: Incorporating Dark Matter, Dark Energy and Stiff Matter
• A Joint Analysis of Strong Lensing and Type Ia Supernovae to Determine the Hubble Constant
• Phase space analysis of an exponential model in $f(Q)$ gravity including linear dark-sector interactions
• Can the Baryon Number Density and the Cosmological Constant be interrelated?
• DESI constraints on two-field quintessence with exponential potentials
• The Dynamics of Inhomogeneous Dark Energy
• Stability of multi-field cosmological solutions in the presence of a fluid
• The role of potential in the ghost-condensate dark energy model
• Higgs potential near-criticality from a de Sitter swampland-like condition
• Scalar Field Static Spherically Symmetric Solutions in Teleparallel $F(T)$ Gravity
• Acceleration of the universe in matter dominant era by conformal symmetry breaking
• Correspondence between modified gravity and 5D Ricci-flat cosmologies
• Renormalization Group Approach to Generalized Cosmological models
• Reheating via gravitational particle production in simple models of quintessence or $\Lambda$CDM inflation
• At the Edge of Uncertainty: Decoding the Cosmological Constant value with Bose-Einstein Distribution
• Gravity and induced matter on Nearly Kahler Manifolds
• Perspectives for studying the dark energy at z>2 with galaxy surveys
• Is the cosmological dark sector better modeled by a generalized Chaplygin gas or by a scalar field?
• The Cosmological Constant as a Function of Extrinsic Curvature and Spatial Curvature
• Phantom cosmology with arbitrary potential: New accelerating scaling attractors
• Equilibrium and stability of neutrino lumps as TOV solutions
• Onset of dark energy from cosmological scalarization and gravitational wave speed
• Quintessence duality
• Quintessence dark energy model in non-linear $f(Q)$ theory with bulk-viscosity
• Quintessence and the first Doppler peak
• Statefinder Description in Generalized Holographic and Ricci Dark Energy Models
• Evolution of the horizons for dark energy universe
• New tests of dark sector interactions from the full-shape galaxy power spectrum
• A comprehensive dynamical and phenomenological analysis of structure growth in curvature-modulated coupled quintessence scenario
• Perturbations of Einstein--Maxwell--phantom spacetime: Instabilities of charged Ellis--Bronnikov wormholes and quasinormal modes of black holes
• Exploring the Latest Pantheon SNIa Dataset by Using Three Kinds of Statistics Techniques
• Implications of $f(R)$ gravity on late-time cosmic structure growth through a complete description of density perturbations
• Cosmic Acceleration Caused by the Extra-Dimensional Evolution in a Generalized Randall-Sundrum Model
• Pure Natural Quintessential Inflation and Dark Energy
• Generic autonomous system approach to interacting dark energy models
• On rips and cosmological singularities in a universe merging with baby universes
• Towards the unification of late-time acceleration and inflation by k-essence model
• Dark Energy and Normalization of the Cosmological Wave Function
• Can unstable relics save pure Cold Dark Matter?
• Ricci-Cubic Holographic Dark Energy: Confronting Observations, Stability and the Cosmic Coincidence Problem
• Cosmological dynamical systems of non-minimally coupled fluids and scalar fields
• Thermodynamics of irreversible particle creation phenomena and its cosmological consequence
• Perfect Fluid Spacetimes With Two Symmetries
• Gravitational waves in an expanding Universe
• Bose-Einstein condensates in microgravity and fundamental tests of gravity
• Cosmology and Quantum Field Theory: A study of the Nambu-Jona-Lasinio Model
• Cosmology and Quantum Field Theory II: Study of an extended Nambu-Jona-Lasinio model with a Dynamical Coupling
• A Brane model with two asymptotic regions
• Interacting tachyon with varying mass dark matter
• Scalar field in cosmology: Potential for isotropization and inflation
• Thermodynamic instability of dark energy equation of state
• Homogeneous Cosmological Models in Weyl's Geometrical Scalar-Tensor Theory
• Stability of Differentially Rotating Disks in $f(T)$ Theory
• A new approach to modified-gravity models
• Exploring the Universe Expansion History with f(R,T) Gravity: Constraints on Cosmological Parameters
• Dark Energy After DESI DR2: Observational Status, Reconstructions, and Physical Models
• Cosmological Dynamics of Exponential Quintessence Constrained by BAO, Cosmic Chronometers, and DES-SN5YR/Pantheon+ Data
• Scalar field dark energy with a minimal coupling in a spherically symmetric background
• Gravity of Cosmological Perturbations in the CMB
• Modified scaling in $k$-essence model in interacting dark energy - dark matter scenario
• Galileon versus Quintessence: A comparative phase space analysis and late-time cosmic relevance
• Inference of cosmological models with principal component analysis
• Shadows of quintessence black holes: spherical accretion, photon trajectories, and geodesic observers
• Expanding Universe: Thermodynamical Aspects From Different Models
• Parameterization and Reconstruction of Quasi Static Universe
• Loop-corrected scalar potentials and late-time acceleration in f(R) gravity
• Some Cosmological Consequences of Weyl Invariance
• A semi-cosmographic approach to study cosmological evolution in phase space
• Limits in late time conversion of cold dark matter into dark radiation
• Self Creation Cosmology - An Alternative Gravitational Theory
• An Alternative Approach to the Exact Solution of FRW-Type Spacetime with a Generalized Chaplygin Gas
• The Casimir effect as a candidate of dark energy
• Implications of single field inflation in general cosmological scenarios on the nature of dark energy given the swampland conjectures
• Cosmic acceleration driven by dark matter self-interactions: a phenomenological treatment
• Dark Energy Induced Anisotropy in Cosmic Expansion
• Running Einstein Constant and a Possible Vacuum State of the Universe
• Revisiting the Matter Creation Process: Observational Constraints on Gravitationally Induced Dark Energy and the Hubble Tension
• Cosmological and lunar laser ranging constraints on evolving dark energy in a nonminimally coupled curvature-matter gravity model
• Gravitational Lensing Effect from The Revised Deser-Woodard Nonlocal Gravity
• Scaling solutions in three-form cosmology
• Constraining Quintessence Models with ISW-tSZ Cross-Correlations: A Comparative Analysis of Thawing, Tracker, and Scaling-Freezing Dynamics
• Chaplygin and Polytropic gases Teleparallel Robertson-Walker $F(T)$ gravity solutions
• Sound Mode and Scale-Dependent Growth in Two-Fluid Dynamical Dark Energy
• EFT of Dark Energy with Cosmic Chronometers: Reconstructing Background EFT Functions
• Observational and Thermodynamic aspects of one-dimensional Dark Energy EoS parametrization models
• Accelerating scaling solutions from dark matter particle creation
• The dynamics of background evolution and structure formation in phase space: a semi-cosmographic reconstruction
• A New Approach to Flatness, Horizon and Late-time Accelerating Expansion Problems on the basis of Mach Principle
• The Cosmological Constant, Dark Matter and the ElectroWeak Scale meet in the Swampland
• Cosmological Consequences of Varying Couplings in Gravity Action
• Kinematic Probes of Type-II MMG: Padé Cosmographic Analysis of VCDM
• Revisiting dynamics of interacting quintessence
• Brane induced cosmological acceleration and crossing of w_{eff}=-1
• Cosmic evolution of scalar fields with multiple vacua: generalized DBI and quintessence
• Electroweak Quintessence Axion as Dark Energy
• Invariant Set Theory
• The Effects of Gravitational Slip on the Higher-Order Moments of the Matter Distribution
• Gravitational Waves beyond the Linear Approximation and Gravitational Wave Reflection
• Hamilton-Jacobi formalism for Generalized Chaplygin Gas models
• Constraints for the thawing and freezing potentials
• Singularities and Soft-Big Bang in a viscous $\Lambda$CDM model
• Structure formation in a non-canonical scalar field model of clustering dark energy
• Dispersion relations for gravitational waves in different models of dark energy
• Linearized Treatment of Scalar perturbations in the Asymptotic Cosmological Model
• Physical Implications and Updated Observational Constraints of the PAge-like Unified Dark Fluid Model
• The Limits of Quintessence
• The influence of cosmological constant on light deflection in rotating spacetimes via the generalized Gibbons-Werner method
• Viscous Dark Energy Accretion Activities : Sonic Speed, Angular Momentum and Mach Number Studies
• The long freeze: an asymptotically static universe from holographic dark energy
• Rotating dark matter solution admitting dark fluid
• A heuristic solution for the Pioneer anomaly employing an ELA metric with dark matter in the outskirts of the Solar system
• Uniformity of Cosmic Microwave Background as a Non-Inflationary Geometrical Effect
• The Fate of the Accelerating Universe
• Quintessence-Chameleon transitions in anisotropic Kiselev model of neutron stars
• Non-Commutative fluid: an alternative source of cosmic acceleration
• Tidal love number of neutron stars with conformal coupling
• Bayesian and Machine-Learning Analyses of Nonminimal $f(Q)$ Gravity and $H_0$ Tension
• Phase space analysis of Rényi Holographic dark energy model
• On curvature coupling and quintessence fine-tuning
• Machian gravity and a cosmology without dark matter and dark energy
• Sudden Future Singularities and their observational signatures in Modified Gravity
• Tracing Signatures of Modified Gravity in Redshift-Space Galaxy Bispectrum Multipoles: Prospects for Euclid
• Phase space analysis and cosmography of a two-fluid cosmological model
• Conformal Cosmology and Supernova Data
• On Generalized Theories of Varying Fine Structure Constant
• Scaling Cosmologies from Duality Twisted Compactifications
• Manifestations of String Theory in Astrophysical Data and at the LHC
• X-fluid and viscous fluid in D-dimensional anisotropic integrable cosmology