An alternative to quintessence

Abstract

We consider a FRW cosmological model with an exotic fluid known as Chaplygin gas. We show that the resulting evolution of the universe is not in disagreement with the current observation of cosmic acceleration. The model predict an increasing value for the effective cosmological constant.

8 pages, latex. References and a new section added

Cited by in corpus (1411)

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• Unified Model for Dark Energy
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• Soft singularity crossing and transformation of matter properties
• Dynamical symmetries in Brans-Dicke cosmology
• Testing Fractional Action Cosmology
• Bounce cosmology in $f(\mathcal{R})$ gravity
• 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
• Gravitationally Collapsing Shells in (2+1) Dimensions
• Unified Dark Matter scalar field models with fast transition
• Scalar models for the generalized Chaplygin gas and the structure formation constraints
• More about the Tolman-Oppenheimer-Volkoff equations for the generalized Chaplygin gas
• Holographic Dark Energy Models and Higher Order Generalizations in Dynamical Chern-Simons Modified Gravity
• A note on perfect scalar fields
• Tachyon-Chaplygin inflationary universe model
• Minimal dark energy: key to sterile neutrino and Hubble constant tensions?
• Weak lensing signal in Unified Dark Matter models
• The Homogeneous Scalar Field and the Wet Dark Sides of the Universe
• Dynamical Evolution of Interacting Modified Chaplygin Gas
• Non-minimal geometry-matter couplings in Weyl-Cartan space-times: $f(R,T,Q,T_m)$ gravity
• Holographic dark energy in a non-flat universe with Granda-Oliveros cut-off
• Cosmological Evolution and Exact Solutions in a Fourth-order Theory of Gravity
• Phase structure of charged AdS black holes surrounded by exotic fluid with modified Chaplygin equation of state
• Linear and non-Linear Instabilities in Unified Dark Energy Models
• Phase space analysis and singularity classification for linearly interacting dark energy models
• Jeans type instability of a complex self-interacting scalar field in general relativity
• Power-Law Entropy Corrected Ricci Dark Energy and Dynamics of Scalar Fields
• Matter Power Spectrum for the Generalized Chaplygin Gas Model: The Newtonian Approach
• Two-scalar-field model for the interaction of dark energy and dark matter
• Intermediate inflation on the brane
• Unification of Dark Matter - Dark Energy in Generalized Galileon Theories
• Cosmic evolution of dark energy in a generalized Rastall gravity
• Extended Born-Infeld Dynamics and Cosmology
• Statefinder diagnostic and $w-w^{\prime }$ analysis for interacting polytropic gas dark energy model
• New Agegraphic Dark Energy in Brans-Dicke Theory
• Observational Constraints of Modified Chaplygin Gas in Loop Quantum Cosmology
• Spherical Thin-Shell Wormholes and Modified Chaplygin Gas
• Thermodynamics of k-essence
• Observational constraints on generalized Chaplygin gas model
• Fixed points in interacting dark energy models
• Dark sector interactions and the curvature of the Universe in light of Planck's 2018 data
• Dark viscous fluid described by a unified equation of state in cosmology
• A New $Om(z)$ Diagnostic of Dark Energy in General Relativity Theory
• Exact solutions for the interacting tachyonic-dark matter system
• Nonlinear Spinor Fields and its role in Cosmology
• Extending the generalized Chaplygin gas model by using geometrothermodynamics
• Effects of quintessence on observations of Type Ia SuperNovae in the clumpy Universe
• Anisotropic Fluid Cosmology: an Alternative to Dark Matter?
• Chaplygin inflation on the brane
• Modified Chaplygin Traversable Wormholes
• Measuring the Chaplygin gas equation of state from angular and luminosity distances
• Exploring the Latest Union2 SNIa Dataset by Using Model-Independent Parametrization Methods
• Skewness as a test for Quartessence
• Revisiting the holographic dark energy in a non-flat universe: alternative model and cosmological parameter constraints
• Dynamics of perfect fluid Unified Dark Energy models
• Exploring the Foundations of the Universe with Space Tests of the Equivalence Principle
• Confronting the Hubble Diagram of Gamma-Ray Bursts with Cardassian Cosmology
• Effects of Cosmological Constant on Clustering of Galaxies
• Interacting Modified Holographic Dark Energy in Kaluza-Klein Universe
• New tracker models of dark energy
• Toward reconstruction of dynamics of the Universe from distant supernovae type Ia
• Eyes Wide Open - Optimising Cosmological Surveys in a Crowded Market
• Accretion of Phantom Energy and Generalized Second Law of Thermodynamics for Einstein-Maxwell-Gauss-Bonnet Black Hole
• The paradox of soft singularity crossing and its resolution by distributional cosmological quantitities
• Generalized Chaplygin gas as geometrical dark energy
• Anisotropic stars made of exotic matter within the complexity factor formalism
• Compactifying the state space for alternative theories of gravity
• Exploring accelerated expansion in the universe: A study of $f(Q,T)$ gravity with parameterized EoS and cosmological constraints
• Clustering, Angular Size and Dark Energy
• Holographic Dark Energy Scenario and Variable Modified Chaplygin Gas
• Hydrodynamical simulations of coupled and uncoupled quintessence models I: Halo properties and the cosmic web
• The quantum realm of the "Little Sibling" of the Big Rip singularity
• Friedmann-Lemaitre Cosmologies via Roulettes and Other Analytic Methods
• Parameters of cosmological models and recent astronomical observations
• Cosmological consequences and statefinder diagnosis of a non-interacting generalized Chaplygin gas in $f(R,T)$ gravity
• An entirely analytical cosmological model
• Warm-Chaplygin inflationary universe model
• A single model of traversable wormholes supported by generalized phantom energy or Chaplygin gas
• A Comparison of Cosmological Models Using Strong Gravitational Lensing Galaxies
• Statefinder diagnostic for modified Chaplygin gas cosmology in f(R,T) gravity with particle creation
• Testing the DGP model with gravitational lensing statistics
• Resolution of type IV singularities in quantum cosmology
• A comprehensive numerical study on four categories of holographic dark energy models
• An equation of state for purely kinetic k-essence inspired by cosmic topological defects
• Inhomogeneous viscous fluids in FRW universe and finite-future time singularities
• Post-Planck Dark Energy Constraints
• Conformal Transformations and Weak Field Limit of Scalar-Tensor Gravity
• Inflationary cosmology with Chaplygin gas in Palatini formalism
• Generalized Chaplygin gas and accelerating universe in $f(Q,T)$ gravity
• Cosmological constraints for an Eddington-Born-Infeld field
• Reconstructing the potentials for the quintessence and tachyon dark energy, from the holographic principle
• Approach to exact inflation in modified Friedmann equation
• Background cosmological dynamics in $f(R)$ gravity and observational constraints
• Critical behavior of AdS black holes surrounded by dark fluid with Chaplygin-like equation of state
• Modified Chaplygin Gas Cosmology with Bulk Viscosity
• Two Component Model of Dark Energy
• A comprehensive investigation on the slowing down of cosmic acceleration
• WMAP constraints on Cardassian model
• Accretion onto Some Well-Known Regular Black Holes
• Chaplygin-gas Solutions of f(R) Gravity
• Cosmological implications of the constant jerk parameter in $f(Q,T)$ gravity theory
• Radial pulsations, moment of inertia and tidal deformability of dark energy stars
• Comparison between the Logotropic and $\Lambda$CDM models at the cosmological scale
• Generalized Chaplygin gas with $\alpha =0$ and the $\Lambda CDM$ cosmological model
• Agegraphic Chaplygin gas model of dark energy
• Dynamics of the generalized unimodular gravity theory
• Statefinder diagnosis for holographic dark energy in the DGP braneworld
• Non-adiabatic Chaplygin gas
• Contraints on unified models for dark matter and dark energy using H(z)
• Phase space analysis of bulk viscous matter dominated universe
• CMB Temperature and Matter Power Spectrum in a Decay Vacuum Dark Energy Model
• Diagnosing holographic dark energy models with statefinder hierarchy
• Constraints on alternative models to dark energy
• The transition of equation of state of effective dark energy in the DGP model with bulk contents
• A mathematical analysis of the evolution of perturbations in a modified Chaplygin gas model
• Perturbative approach for mass varying neutrinos coupled to the dark sector in the generalized Chaplygin gas scenario
• Dark Energy Interacting with Dark Matter in Classical Einstein and Loop Quantum Cosmology
• Unification of Dark Energy and Dark Matter
• Fractional-order derivatives in cosmological models of accelerated expansion
• Cosmic acceleration in non-canonical scalar field model - An interacting scenario
• Evaluation of cosmological models in $f(R,T)$ gravity in different dark energy scenario
• Slow-Roll Inflation Preceded by a Topological Defect Phase à la Chaplygin Gas
• Clustering of Galaxies with Dynamical Dark Energy
• Matter power spectrum for the generalized Chaplygin gas model: The relativistic case
• Does Quartessence Ease Tensions?
• Constraining viscous dark energy models with the latest cosmological data
• Stationary condition in a perturbative approach for mass varying neutrinos
• Interaction between viscous varying modified cosmic Chaplygin gas and Tachyonic fluid
• Dark-Energy Dynamics Required to Solve the Cosmic Coincidence
• Geometrical Constraints on Dark Energy
• Nonlinear bulk viscosity and the stability of accelerated expansion in FRW spacetime
• Dark energy from bulk matter
• Classical and quantum cosmology of Born-Infeld type models
• Testing modified gravity models with recent cosmological observations
• Thermodynamics of the Variable Modified Chaplygin gas
• Dark Energy and Dark Matter unification via superfluid Chaplygin gas
• Testing nonstandard cosmological models with SNLS3 supernova data and other cosmological probes
• Chaplygin gas in light of recent Integrated Sachs--Wolfe effect data
• Radial oscillations and tidal Love numbers of dark energy stars
• Thermodynamics of Dark Energy
• Cosmological constant dominated transit universe from early deceleration to current acceleration phase in Bianchi-V space-time
• Observational Constraints with Recent Data on the DGP Modified Gravity
• Exploring the Sharma-Mittal HDE models with different diagnostic tools
• Stochastic gravitational waves from a new type of modified Chaplygin gas
• Variable Chaplygin Gas: Constraints from CMBR and SNe Ia
• Dynamics of non-minimally coupled perfect fluids
• Halos of Unified Dark Matter Scalar Field
• Power-law Parameterized Quintessence Model
• The generalized Chaplygin-Jacobi gas
• Stability of Effective Thin-shell Wormholes Under Lorentz Symmetry Breaking Supported by Dark Matter and Dark Energy
• Observational constraints on new generalized Chaplygin gas model
• G-essence with Yukawa Interactions
• Cosmological Analysis of Pilgrim Dark Energy in Loop Quantum Cosmology
• Interacting Holographic Extended Chaplygin Gas and Phantom Cosmology in the Light of BICEP2
• Bayesian Statistics and Parameter Constraints on the Generalized Chaplygin Gas Model using SNe Ia Data
• On dark degeneracy and interacting models
• Revisit of constraints on holographic dark energy: SNLS3 dataset with the effects of time-varying $\beta$ and different light-curve fitters
• Generalized Chaplygin gas model: Cosmological consequences and statefinder diagnosis
• Cosmological Imprints of a Generalized Chaplygin Gas Model for the Early Universe
• The dynamical viability of scalar-tensor gravity theories
• Observational constraints on decaying vacuum dark energy model
• Observational Constraints on Dynamical Dark Energy Models
• Crossing the phantom divide in brane cosmology with curvature corrections and brane-bulk energy transfer
• Dark energy interacting with neutrinos and dark matter: a phenomenological theory
• Reconstruction of new holographic scalar field models of dark energy in Brans-Dicke Universe
• A Cyclic Universe With Varying Cosmological Constant in $f(R,T)$ gravity
• Possibility of hyperbolic tunneling
• Generalized Holographic Dark Energy and its Observational Constraints
• Dynamics of Modified Chaplygin Gas in Brane World Scenario: Phase Plane Analysis
• Observational Constraints on Interacting Dark Matter Model Without Dark Energy
• Effect of rainbow function on the structural properties of dark energy star
• Generalized interacting Barrow Holographic Dark Energy: cosmological predictions and thermodynamic considerations
• Measuring Unified Dark Matter with 3D Cosmic Shear
• Statefinder Analysis of Symmetric Teleparallel Cosmology
• Agegraphic Dark Energy Model in Non-Flat Universe: Statefinder Diagnostic and $w-w^{\prime }$ Analysis
• Testing generalized logotropic models with cosmic growth
• Understanding the origin of CMB constraints on Dark Energy
• FRW Cosmological model with Modified Chaplygin Gas and Dynamical System
• On astrophysical bounds of the cosmological constant
• An effective quintessence field with a power-law potential
• Modified Holographic Dark Energy in Non-flat Kaluza-Klein Universe with Varying G
• New holographic dark energy model with non-linear interaction
• Holographic dark energy: constraints on the interaction from diverse observational data sets
• Cosmological dynamics of $f(R)$ gravity scalar degree of freedom in Einstein frame
• Dark energy models toward observational tests and data
• Strong gravitational lensing constraints on holographic dark energy
• Exploring the evolution of color-luminosity parameter $\beta$ and its effects on parameter estimation
• Constructing an Inflaton Potential by Mimicking Modified Chaplygin Gas
• Effect of massive graviton on dark energy star structure
• Reconstruction of scalar potentials in two-field cosmological models
• Spherical collapse model and cluster number counts in power law $f(T)$ gravity
• Remarks on the Generalized Chaplygin Gas
• Constraints on a decomposed dark fluid with constant adiabatic sound speed by jointing the geometry test and growth rate after Planck data
• Horava-Lifshitz cosmology with generalized Chaplygin gas
• Brans-Dicke Scalar Field as a Unique k-essence
• Growth of structure in interacting vacuum cosmologies
• A brief note on how to unify dark matter, dark energy, and inflation
• Accelerating Dark Energy Cosmological Model in Two Fluid with Hybrid Scale Factor
• Compact stellar models in modified gravity
• Gauge invariant perturbations of Scalar-Tensor Cosmologies: The vacuum case
• Chaplygin gas and effective description of inhomogeneous universe models in general relativity
• Compatibility between the scalar field models of tachyon, $k$-essence and quintessence in $f(R,T)$ gravity
• Dynamical systems analysis of tachyon dark energy model from a new perspective
• Dynamics of Interacting Generalized Cosmic Chaplygin gas in Brane-world scenario
• Probing Cosmic Acceleration by Using the SNLS3 SNIa Dataset
• Stability and interacting $f(T,\mathcal{T})$ gravity with modified Chaplygin gas
• The generalized second law for the interacting generalized Chaplygin gas model
• Viscous Generalized Chaplygin Gas as a Unified Dark Fluid: Including Perturbation of Bulk Viscosity
• Perturbations in a scalar field model with virtues of $\Lambda$CDM
• A short review on clustering dark energy
• Anisotropic charged dark energy star
• Fixed points and FLRW cosmologies: Flat case
• Testing the (generalized) Chaplygin gas model with the Lookback time-Redshift data
• Dark Energy: The Shadowy Reflection of Dark Matter?
• Cosmology with variable parameters and effective equation of state for Dark Energy
• Growth Rate in the Dynamical Dark Energy Models
• Do sewn singularities falsify the Palatini cosmology?
• Complementary constraints from FR IIb radio galaxies and X-ray gas mass fractions in clusters on non-standard cosmological models
• Dynamical analysis of nonminimal coupled theories
• Cosmic acceleration and extra dimensions: constraints on modifications of the Friedmann equation
• Dynamics and constraints of the Unified Dark Matter flat cosmologies
• Phenomenological models for Unified Dark Matter with fast transition
• Late-time acceleration with a scalar field source: Observational constraints and statefinder diagnostics
• Interacting closed string tachyon with modified Chaplygin gas and its stability
• J-PAS: forecasts on interacting vacuum energy models
• Inflationary generalized Chaplygin gas and dark energy in the light of the Planck and BICEP2 experiments
• Constraints on accelerating universe using ESSENCE and Gold supernovae data combined with other cosmological probes
• Revisiting Chaplygin gas cosmologies with the recent observations of high-redshfit quasars
• Modeling cosmic acceleration with a generalized varying deceleration parameter
• Route to Lambda in conformally coupled phantom cosmology
• Dynamics of Modified Chaplygin Gas Inflation on the Brane with Bulk Viscous Pressure
• A fluid os strings as a viable candidate to the dark side of the universe
• Extended family of generalized Chaplygin gas models
• Cosmological anisotropy from non-comoving dark matter and dark energy
• Particle-Like Description in Quintessential Cosmology
• Role of Modified Chaplygin Gas as a Dark Energy Model in Collapsing Spherically Symmetric Cloud
• Interacting modified holographic Ricci dark energy model and statefinder diagnosis in flat universe
• Chaplygin Gas Cosmology - Unification of Dark Matter and Dark Energy
• Tachyon-Chaplygin inflation on the brane
• Open static Chaplygin universe
• Classical and quantum Big Brake cosmology for scalar field and tachyonic models
• Archimedean-type force in a cosmic dark fluid: I. Exact solutions for the late-time accelerated expansion
• Instability of Chaplygin gas trajectories in unified dark matter models
• DBI models for the unification of dark matter and dark energy
• Unified Dark Fluid with Constant Adiabatic Sound Speed: Including Entropic Perturbations
• Probing bulk viscous matter-dominated models with Gamma-ray bursts
• Cosmological test on viscous bulk models using Hubble Parameter measurements and type Ia Supernovae data
• A Unified Model of Phantom Energy and Dark Matter
• Mass-Temperature relation in $\Lambda$CDM and modified gravity
• Scalar and vector perturbations in a universe with discrete and continuous matter sources
• Rip/singularity free cosmology models with bulk viscosity
• Interacting $F(R,T)$ gravity with modified Chaplygin gas
• Networks of cosmological histories, crossing of the phantom divide line and potentials with cusps
• Dynamics of Warm Chaplygin Gas Inflationary Models With Quartic Potential
• Cosmic Degeneracy with Dark Energy Equation of State
• Holographic dark energy with the sign-changeable interaction term
• Observational constraints on a generalized equation of state model
• Geometrical Diagnostics for Generalized Chaplygin Gas
• Geodesic structure, shadow and optical appearance of black hole immersed in Chaplygin-like dark fluid
• Non-minimal kinetic coupling and Chaplygin gas cosmology
• Cosmological evolution of interacting dark energy in Lorentz violation
• A new pressure-parametrization unified dark fluid model
• Traversable holographic dark energy wormholes constrained by astronomical observations
• Black hole thermodynamics from logotropic fluids
• Cosmological evolution of equation of state for dark energy in G-essence models
• Bayesian analysis of bulk viscous matter dominated universe
• Spherical `Top-Hat' Collapse in general Chaplygin gas dominated universes
• Study of Inflationary Generalized Cosmic Chaplygin Gas for Standard and Tachyon Scalar Fields
• A stable flat universe with variable Cosmological constant in f(R,T) Gravity
• Dark energy and supermassive black holes
• The Chaplygin gas as a model for modified teleparallel gravity?
• An exact model of conformal quintessence
• Partial rip scenario - a cosmology with a growing cosmological term
• Geometrical diagnostic for purely kinetic k-essence dark energy
• Viscous Fluids and Gauss-Bonnet Modified Gravity
• Combined constraints on Cardassian models from supernovae, CMB and large-scale structure observations
• Reconstructing f(R) Gravity from a Chaplygin Scalar Field in de Sitter Spacetimes
• A hybrid model of viscous and Chaplygin gas to tackle the Universe acceleration
• Does accelerating universe indicates Brans-Dicke theory
• Inflessence: a phenomenological model for inflationary quintessence
• Spatial Ricci scalar dark energy model
• Cosmological implications of interacting polytropic gas dark energy model in non-flat universe
• A note on the relations between thermodynamics, energy definitions and Friedmann equations
• Generalized Swiss-cheese cosmologies: Mass scales
• Consistency Test of Dark Energy Models
• Time and distance constraints on accelerating cosmological models
• Polytropic and Chaplygin f(R)-gravity models
• Schrödinger-Wheeler-DeWitt equation in chaplygin gas FRW cosmological model
• Behavior of anisotropic fluids with Chaplygin equation of state in Buchdahl spacetime
• Reduced modified Chaplygin gas cosmology
• A New Variable Modified Chaplygin Gas Model Interacting with Scalar Field
• Cosmological dynamics of the general non-canonical scalar field models
• Spinor model of a perfect fluid and their applications in Bianchi type-I and FRW models
• Proper Matter Collineations of Plane Symmetric Spacetimes
• Parametrization of Tachyon Field
• Observational constraints of the gravitational waves in the Brans-Dicke theory: Einstein frame and Jordan-Brans-Dicke frame
• CMB-Galaxy correlation in Unified Dark Matter Scalar Field Cosmologies
• Age Problem in Lemaitre-Tolman-Bondi Void Models
• Presence of Dark Energy and Dark Matter : Does Cosmic Acceleration signifies a Weak Gravitational collapse?
• No evidence for dynamical dark energy in two models
• The simplest parametrization of equation of state parameter in the scalar field Universe
• Spherical collapse model in agegraphic dark energy cosmologies
• GCG Parametrization for Growth Function and Current Constraints
• Inhomogeneous viscous fluids for inflation
• Viability of Variable Generalised Chaplygin gas - a thermodynamical approach
• Unified Dark Energy-Dark Matter model with Inverse Quintessence
• Non-radial oscillations in anisotropic dark energy stars
• Constraints on the Generalized Chaplygin Gas Model from Gamma-Ray Bursts
• Chaplygin gas may prevent big trip
• Dark Matter - Dark Energy coupling biasing parameter estimates from CMB data
• Warm intermediate inflationary Universe model in the presence of a Generalized Chaplygin Gas
• Cosmological constraints on dynamical dark energy model in $F(Q)$ gravity
• Diagnosing $\Lambda$HDE model with statefinder hierarchy and fractional growth parameter
• Observational Constraints on a Variable Dark Energy Model
• Accretion of Chaplygin gas upon black holes: Formation of faster outflowing winds
• Extended Klein-Gordon Action, Gravity and Non-Relativistic Fluid
• Density Evolution in the New Modified Chaplygin Gas Model
• Limits on the Reconstruction of a Single Dark Energy Scalar Field Potential from SNe Ia Data
• Formation of caustics in Dirac-Born-Infeld type scalar field systems
• Seeding supermassive black holes with a non-vortical dark-matter subcomponent
• Late time cosmological scenarios from scalar field with Gauss Bonnet and non-minimal kinetic couplings
• Cosmological constraints on polytropic gas model
• Imperfect fluid cosmological model in modified gravity
• Spherically symmetric inhomogeneous model with Chaplygin gas
• Cosmological Evolution of Two-Scalar fields Cosmology in the Jordan frame
• Phase Space Analysis and Thermodynamics of Interacting Umami Chaplygin gas in FRW Universe
• Cosmological evolution with quadratic gravity and nonideal fluids
• Observational constraints on modified gravity models and the Poincaré dodecahedral topology
• Accretion of non-minimally coupled generalized Chaplygin gas into black holes
• Lagrangian description of cosmic fluids: mapping dark energy into unified dark energy
• Statefinder hierarchy exploration of the extended Ricci dark energy
• Stability of Accelerated Expansion in Nonlinear Electrodynamics
• Diagnosing Tsallis Holographic Dark Energy models with interactions
• Lovelock black holes surrounded by dark fluid in power-Yang-Mills massive gravity
• Cosmological constraints on the generalized holographic dark energy
• FRW universe in the laboratory
• Deviation from $\Lambda$CDM: Pressure Parametrization
• Emerging the dark sector from thermodynamics of cosmological systems with constant pressure
• Constraining a causal dissipative cosmological model
• Interacting Tsallis holographic dark energy in higher dimensional Cosmology
• Diagnostic and Comparative Analysis of Dark Energy Models with $q(z)$ Parametrizations
• Roles of Modified Chaplygin-Jacobi and Chaplygin-Abel Gases in FRW Universe
• Differentiating dark interactions with perturbation
• RHDE models in FRW Universe with two IR cut-offs with redshift parametrization
• Stability of cosmic structures in scalar-tensor theories of gravity
• On general features of warm dark matter with reduced relativistic gas
• Inhomogeneous viscous fluids in FRW universe
• Observational Constraints on Modified Chaplygin Gas in Horava-Lifshitz Gravity
• Type Ia supernova parameter estimation: a comparison of two approaches using current datasets
• Reconstructing Dark Energy Potentials From Parameterized Deceleration Parameters
• Reconstructing Cosmological Matter Perturbations using Standard Candles and Rulers
• Dark energy, inflation and the cosmic coincidence problem
• Gravitational waves in the generalized Chaplygin gas model
• Thawing Versus. Tracker Behaviour: Observational Evidence
• Dynamics and Constraints of the Massive Gravitons Dark Matter Flat Cosmologies
• Influences of Dark Energy and dark matter on Gravitational Time Advancement
• Gravitational collapse in non-minimally coupled gravity: finite density singularities and the breaking of the no-hair theorem
• Single-field inflation à la generalized Chaplygin gas
• Vacuum Solution of a Linear Red-Shift Based Correction in $f(R)$ Gravity
• Curvature-Matter Coupling Effects on Axial Gravitational Waves
• Evolution of Anisotropies in Eddington-Born-Infeld Cosmology
• Thermodynamics of Chaplygin gas
• Constraints on the generalized tachyon field models from latest observational data
• Transient acceleration from a hybrid Chaplygin gas
• Structure formation in dark energy cosmologies described by PADE parameterization
• Scalar perturbations in the late Universe: viability of the Chaplygin gas models
• Power spectrum in the Chaplygin gas model: tachyonic, fluid and scalar field representations
• Equilibrium of large astrophysical structures in the Newton-Hooke spacetime
• Normal oscillation modes and radial stability of neutron stars with a dark-energy core from the Chaplygin gas
• Accretion of Dark Energy onto Higher Dimensional Charged BTZ Black Hole
• Analytic Solutions and Observational support: A study of $f(R,T)$ gravity with $f(R,T)=R+h(T)$
• Interacting Holographic Dark Energy, the Present Accelerated Expansion and Black Holes
• Exact cosmological solutions of models with an interacting dark sector
• Lyman alpha absorbers in motion: consequences of gravitational lensing for the cosmological redshift drift experiment
• Improved cosmological constraints on the curvature and equation of state of dark energy
• Late-time acceleration in Higher Dimensional Cosmology
• Qualitative study of perfect-fluid Friedmann-Lema\^ıtre-Robertson-Walker models with a cosmological constant
• Discriminating between models for the dark energy
• Evolution of perturbations in distinct classes of canonical scalar field models of dark energy
• Dark Energy Models and Laws of Thermodynamics in Bianchi I Model
• Observational constraints to a phenomenological $f\left(R,\nabla R\right)$-model
• Cosmology with viscous generalized Chaplygin gas in $f(Q)$ gravity
• Cosmological Constraints on the DGP braneworld model with Gamma-ray bursts
• A simplified approach for Chaplygin-type cosmologies
• The van der Waals fluid and its role in cosmology
• Sub-Quantum Dark Energy
• Thermodynamical properties of dark energy with the equation of state
• Effects of a time-varying color-luminosity parameter $\beta$ on the cosmological constraints of modified gravity models
• Constraining a double component dark energy model using type Ia supernovae data
• Global cosmological dynamics for the scalar field representation of the modified Chaplygin gas
• Testing the interaction of dark energy to dark matter through the analysis of virial relaxation of clusters Abell Clusters A586 and A1689 using realistic density profiles
• Quintessence as k-essence
• Is Thick Brane Model Consistent with the Recent Observations?
• Wormholes admitting conformal Killing vectors and supported by generalized Chaplygin gas
• Forecast Analysis on Interacting Dark Energy Models from Future Generation PICO and DESI Missions
• Mutually interacting Tachyon dark energy with variable $G$ and $\Lambda$
• An extended analysis for a generalized Chaplygin gas model
• New parameterization for unified dark matter and dark energy
• Interacting agegraphic quintessence dark energy in non-flat universe
• Stability of a modified Jordan-Brans-Dicke theory in the dilatonic frame
• Einstein static universe on the brane supported by extended Chaplygin gas
• Role Of Generalized Cosmic Chaplygin Gas In Accelerating Universe : A Field Theoretical Prescription
• Matter Power Spectrum for Convex Quartessence
• Comment on Ricci dark energy in Chern-Simons modified gravity
• Dark Energy From Fifth Dimensional Brans-Dicke Theory
• Emergence of cosmic space and its connection with thermodynamic principles
• Logarithmic entropy corrected holographic dark energy with $F(R,T)$ gravity
• A quantitative criteria for the coincidence problem
• Coupling dark energy with Standard Model states
• Comparing dark energy models with current observational data
• Bayesian analysis of a Unified Dark Matter model with transition: can it alleviate the $H_0$ tension?
• Interacting entropy-corrected holographic Chaplygin gas model
• Crossing the phantom divide line in universal extra dimensions
• Dark sector unifications: dark matter-phantom energy, dark matter -- constant $w$ dark energy, dark matter-dark energy-dark matter
• Parametrizations of Dark Energy Models in the Background of General Non-canonical Scalar Field in $D$-dimensional Fractal Universe
• Chaplygin inflation in loop quantum cosmology
• Cosmological constraints on unifying Dark Fluid models
• Intermediate inflation on the brane and warped DGP models
• Dark matter as a dynamic effect due to a non-minimal gravitational coupling with matter
• Scalar Field Collapse with an exponential potential
• Observational constraints on a cosmological model with Lagrange multipliers
• Dynamics of Polynomial Chaplygin Gas Warm Inflation
• Multi-fluid cosmology in Einstein gravity: analytical solutions
• The Integrated Sachs-Wolfe Effect in Time Varying Vacuum Model
• Ricci-Gauss-Bonnet holographic dark energy in Chern-Simons modified gravity: A flat FLRW quintessence-dominated universe
• Twister quintessence scenario
• A stable flat entropy-corrected FRW universe
• A Dark Energy Model in Lyra Manifold
• First comprehensive constraints on the Finslerian models using cosmological observations
• Superconducting dark energy
• Stability of mass varying particle lumps
• Cosmological constraints from low-redshift data
• Gravitational Collapse in Higher Dimensional Husain Space-Time
• Topological AdS black holes surrounded by Chaplygin dark fluid: from stability to geometrothermodynamic analysis
• Periodic Cosmological Evolutions of Equation of State for Dark Energy
• Interacting Ghost Dark Energy in Complex Quintessence Theory
• Solar System Constraints on Scalar Tensor Theories with Non-Standard Action
• Energy conditions in f(T) gravity with higher-derivative torsion terms
• Redshift drift constraints on f(T) gravity
• Configurational Entropy and braneworlds in f(T,B) gravity
• Impact of generalized dissipative coefficient on warm inflationary dynamics in the light of latest Planck data
• Lorentzian wormhole in the framework of loop quantum cosmology
• Some properties of the "String gas" with the equation of state $p=-\rho /3$
• Cosmological constraints on time-varying cosmological terms: A study of FLRW universe models with $\Lambda (t)$CDM cosmology
• A unified TDiff invariant field theory for the dark sector
• Challenging the Cosmological Constant
• Inflation with Planck: a survey of some "exotic" inflationary models
• On the viability of Planck scale cosmology with quartessence
• Cosmological zoo -- accelerating models with dark energy
• Dynamical analysis in regularized $4D$ Einstein-Gauss-Bonnet gravity with non-minimal coupling
• Repulsive gravity model for dark energy
• Power-law solutions and accelerated expansion in scalar-tensor theories
• Thermodynamics of Modified Chaplygin Gas and Tachyonic Field
• The general solution for relativistic spherical shells
• Conformal Killing cosmology -- Geometry, dark sector, growth of structures, and big rip
• Observational Constraints on the Generalized Chaplygin Gas
• Quintessence and (Anti-)Chaplygin Gas in Loop Quantum Cosmology
• Observation constraints on scalar field cosmological model in Anisotropic universe
• Spherical collapse for unified dark matter models
• Role of spatial curvature in the primordial gravitational wave power spectrum
• Thermodynamical behaviour of the Variable Chaplygin gas
• Cosmological determination to the values of the prefactors in the logarithmic corrected entropy-area relation
• Exploring bulk viscous unified scenarios with Gravitational Waves Standard Sirens
• Cosmic Variation of Proton to Electron Mass Ratio with an interacting Higgs Scalar Field
• Observational constraints on the braneworld model with brane-bulk energy exchange
• Limits from Weak Gravity Conjecture on Dark Energy Models
• Weyl Anomaly and Initial Singularity Crossing
• Interaction between phantom field and modified Chaplygin gas
• Comparing teh holographic principle inspired dark energy models
• Disformal invariance of cosmological observables
• Thermodynamics and Lemaitre-Tolman-Bondi void models
• Global 21-cm brightness temperature in viscous dark energy models
• Power-Law and Logarithmic Entropy-Corrected Ricci Viscous Dark Energy and Dynamics of Scalar Fields
• A More Accurate Parameterization based on cosmic Age (MAPAge)
• The dynamics of the early universe in a model with radiation and a generalized Chaplygin gas
• Interacting holographic dark energy models: A general approach
• FLRW Cosmology with Horava-Lifshitz Gravity: Impacts of Equations of State
• Cosmological constraints on a unified dark matter-energy scalar field model with fast transition
• Inclusive Constraints on Unified Dark Matter Models from Future Large-Scale Surveys
• Holographic Dark Energy Interacting with Two Fluids and Validity of Generalized Second Law of Thermodynamics
• Cosmic acceleration from coupling of baryonic and dark matter components: Analysis and diagnostics
• Generalized models of unification of dark matter and dark energy
• Deviation From ΛCDM With Cosmic Strings Networks
• Gravitational Baryogenesis in Ho$\check{r}$ava-Lifshitz gravity
• Constraints on $\Lambda (t)$-cosmology with power law interacting dark sectors
• Interacting Holographic Generalized Chaplygin Gas in compact Kaluza-Klein cosmology
• Testing the growth rate in homogeneous and inhomogeneous interacting vacuum models
• Simplified Quartessence Cosmology
• Gravitational Collapse of the Shells with the Smeared Gravitational Source in Noncommutative Geometry
• Statefinder Parameter for Varying G in Three Fluid System
• Interacting entropy-corrected holographic scalar field models in non-flat universe
• A Modified Generalized Chaplygin Gas as the Unified Dark Matter-Dark Energy Revisited
• Dissipative Unified Dark Fluid Model
• Dynamical Analysis of Scalar Field Cosmologies with Spatial Curvature
• Cosmographic analysis of sign-switching dark energy
• Cosmic acceleration and phantom crossing in $f(T)$-gravity
• Quintessential Phenomena in Higher Dimensional Space Time
• Brane Dynamics, the Polytropic Gas and Conformal Bulk Fields
• Holographic Dark Energy and Quantum Entanglement
• Role of Chaplygin gas as geometrical dark energy in anisotropic brane gravity
• Bending of light in the Universe filled with quintessential dark energy
• Viscous dark fluid Universe: a unified model of the dark sector?
• Quantum Scalar-metric Cosmology with Chaplygin gas
• Chaplygin Gas Hořava-Lifshitz Quantum Cosmology
• Shan--Chen interacting vacuum cosmology
• One-parameter dynamical dark-energy from the generalized Chaplygin gas
• The little rip in classical and quantum $f(R)$ cosmology
• The 1/c expansion of nonminimally coupled curvature-matter gravity model and constraints from planetary precession
• On the initial singularity in Kantowski-Sachs spacetime
• Black holes in Einstein-Gauss-Bonnet gravity with a background of modified Chaplygin gas
• Dark matter superfluid and DBI dark energy
• Dark Energy as Double N-Flation--Observational Predictions
• Fluid inflation with brane correction
• Bifurcations in Ratra-Peebles quintessence models and their extensions
• Wiggly cosmic strings accrete dark energy
• A PAge-like Unified Dark Fluid Model
• F(R) cosmology via Noether symmetry and lambda-Chaplygin Gas like model
• Influences of modified Chaplygin dark fluid around a black hole
• First cosmological constraints on the Superfluid Chaplygin gas model
• Warm inflation with non-comoving scalar field and radiation fluid
• WMAP Constraints on Quintessence
• Constraints on a quintessence model from gravitational lensing statistics
• Black hole in a generalized Chaplygin-Jacobi dark fluid: shadow and light deflection angle
• Signature flips in time-varying $\Lambda (t)$ cosmological models with observational data
• Holographic Ricci dark energy as running vacuum
• A Comparison of Quintessence and Nonlinear Born-Infeld Scalar Field Using Gold Supernova data
• On the holographic dark energy in chameleon scalar-tensor cosmology
• $K$-essence model from the mechanical approach point of view: coupled scalar field and the late cosmic acceleration
• Testing dark energy models with $H(z)$ data
• Towards a possible solution for the coincidence problem: f(G) gravity as background
• Modified holographic Ricci dark energy coupled to interacting relativistic and non-relativistic dark matter in the nonflat universe
• On the concordance of cosmological data in the case of the generalized Chaplygin gas
• Classical and quantum $f(R)$ cosmology: The big rip, the little rip and the little sibling of the big rip
• Is dark energy from cosmic Hawking radiation?
• Black holes immersed in polytropic scalar field gas
• Dynamical Study of DBI-essence in Loop Quantum Cosmology and Braneworld
• First-order formalism for the quintom model of dark energy
• Interacting Generalised Cosmic Chaplygin gas in Loop quantum cosmology: A singularity free universe
• Tachyon model of Tsallis holographic dark energy
• Scalar field potentials for closed and open cosmological models
• The interacting vacuum and tensions: a comparison of theoretical models
• Phantom fields: bounce solutions in the early Universe and S-branes
• Tsallis holographic dark energy under Complex form of Quintessence model
• Confronting quintessence models with recent high-redshift supernovae data
• The Logotropic Dark Fluid: Observational and Thermodynamic Constraints
• On the uniqueness of $\Lambda$CDM-like evolution for homogeneous and isotropic cosmology in General Relativity
• Gif Lectures on Cosmic Acceleration
• Bulk viscous fluid in symmetric teleparallel cosmology: theory versus experiment
• Fitting cosmological data to the function $q(z)$ from GR Theory: Modified Chaplygin Gas
• Observational constraints on Chaplygin cosmology in a braneworld scenario with induced gravity and curvature effect
• Effect of low anisotropy on cosmological models by using supernova data
• Knot Universes in Bianchi Type I Cosmology
• Ghost dark energy with sign-changeable interaction term
• Testing a dissipative kinetic k-essence model
• Constraining Exponential f(Q) Gravity with Cosmic Chronometers and Supernovae: A Data-Driven Analysis
• Mixed fluid cosmological model in $f(R,T)$ gravity
• Study of Some Parameters of Modified Chaplygin Gas in Galileon Gravity Theory from Observational Perspective
• Resonant structure of space-time of early universe
• Constraining Modified Chaplygin gas parameters
• Non-Stationary Dark Energy Around a Black Hole
• Phase transition in Schwarzschild-de Sitter spacetime
• On the problem of equation of state for the $\Lambda$ - field
• Perturbed dark energy: classical scalar field versus tachyon
• Dynamical system analysis of logotropic dark fluid with a power law in the rest-mass energy density
• Gravitational Collapse With Dark Energy And Dark Matter In Hořava-Lifshitz Gravity
• Late time cosmic acceleration from natural infrared cutoff?
• WMAP Constraints On K-Inflation
• A new logotropic model based on a complex scalar field with a logarithmic potential
• Bouncing cosmological models in a functional form of F(R) gravity
• Thermodynamics of FRW Universe With Chaplygin Gas Models
• Lagrangian formulation for an extended cosmological equation-of-state
• A 5D non compact and non Ricci flat Kaluza-Klein Cosmology
• Resolving FLRW cosmology through effective equations of state in $f(T)$ gravity
• Detectability of Cosmic Topology in Generalized Chaplygin Gas Models
• Cosmological constraints on superconducting dark energy models
• Oscillating and Static Universes from a Single Barotropic Fluid
• Dark energy in thermal equilibrium with the cosmological horizon?
• A note on acoustic black holes in neo-Newtonian theory
• A Viable Dark Fluid Model
• Observational Constraints of Homogeneous Higher Dimensional Cosmology with Modified Chaplygin Gas
• Deformation of the quintom cosmological model and its consequences
• Reconstruction of the equation of state for the cyclic universes in homogeneous and isotropic cosmology
• Scalar field black holes
• Ghost Chaplygin scalar field model of dark energy
• Probing Ricci dark energy model with perturbations by using WMAP seven-year cosmic microwave background measurements, BAO and Type Ia supernovae
• Phantom energy from graded algebras
• Qualitative dynamics of interacting vacuum cosmologies
• Extended Bose-Einstein condensate dark matter in viscous Gauss-Bonnet gravity
• Regular black holes with improved energy conditions and their analogues in fluids
• How Slowly can the Early Universe Expand?
• Reconstruction methods and the amplification of the inflationary spectrum
• Dynamical systems analysis of an interacting scalar field model in an anisotropic universe
• Constraining Cosmological Parameters with Viscous Modified Chaplygin Gas and Generalized Cosmic Chaplygin Gas Models in Horava-Lifshitz Gravity: Utilizing Late-time Datasets
• Stability of the holographic description of the Universe
• A Better Way to Reconstruct Dark Energy Models ?
• Nonsingular Chaplygin gas cosmologies in universes connected by wormhole
• Large-scale structure in superfluid Chaplygin gas cosmology
• Revisiting the phenomenologically emergent dark energy model: is non-zero equation of state of dark matter favored by DESI DR2?
• Hybrid Chaplygin gas and phantom divide crossing
• Thermodynamics in Kaluza-Klein Universe
• Clustering GCG: a viable option for unified dark matter-dark energy?
• Cosmology of the interacting Tsallis holographic dark energy in $f(R,T)$ gravity framework
• Viscous Chaplygin Gas Models as a Spherical Top-Hat Collapsing Fluids
• Emulating dark energy models with known equation of state via the created cold dark matter scenario
• The Nature of Dark Energy and Constraints on Its Hypothetical Constituents from Force Measurements
• Aspects of Some New Versions of Pilgrim Dark Energy in DGP Braneworld
• The interaction of extended Bose-Einstein condensate dark matter with viscous $f(T,B)$ gravity
• Chaplygin Gravitodynamics
• Regular braneworlds with nonlinear bulk-fluids
• A note on observational signatures in superluminal unified dark matter models
• Warm Modified Chaplygin Gas Shaft Inflation
• Reconstructing modified gravity with holographic vacuum energy density
• Anisotropic Dark Energy and the Generalized Second Law of Thermodynamics
• The Hamiltonian formalism for scalar fields coupled to gravity in a cosmological background
• Constraining the Lattice Fluid Dark Energy from SNe Ia, BAO and OHD
• Thermodynamics of the unified dark fluid with fast transition
• Tachyon field inspired dark energy and supernovae constraints
• Thermodynamical description of modified generalized Chaplygin gas model of dark energy
• Metric Relativity and the Dynamical Bridge: highlights of Riemannian geometry in physics
• Interacting Barrow Holographic Dark Energy in Non-flat Universe
• Interacting dark energy collapse with matter components separation
• 4D static solutions with interacting phantom fields
• Dynamics of k-essence in loop quantum cosmology
• Structure formation in clustering DBI dark energy model with constant sound speed
• Cosmological Analysis of Reconstructed $\mathcal{F}(T,T_{\mathcal{G}})$ Models
• Scalar field inflation and Shan-Chen fluid models
• Is interacting vacuum viable?
• Self-gravitating clouds of generalized Chaplygin and modified anti-Chaplygin Gases
• Dark Energy and Dark Matter From Hidden Symmetry of Gravity Model with a Non-Riemannian Volume Form
• A cosmological model describing the early inflation, the intermediate decelerating expansion, and the late accelerating expansion by a quadratic equation of state
• "Expansion" around the vacuum: how far can we go from Lambda?
• Dynamics of Logamediate and Intermediate Scenarios in the Dark Energy Filled Universe
• Observational Constraints of Modified Chaplygin Gas in RS II Brane
• Evolution of FRW universe in variable modified Chaplygin gas model
• Cosmic Microwave Background Anisotropy numerical solution (CMBAns) I: An introduction to $C_l$ calculation
• Cosmological constrains on fast transition Unified Dark Energy/Matter models
• Coincidence Problem in f(T) Gravity Models
• Beyond $\Lambda$CDM: Exploring a Dynamical Cosmological Constant Framework Consistent with Late-Time Observations
• Spherical top-hat Collapse of a Viscous Unified Dark Fluid
• Classical and quantum Big Brake cosmology for scalar field and tachyonic models
• CPTM symmetry, closed time paths and cosmological constant problem in the formalism of extended manifold
• APPLIED COSMOGRAPHY: A Pedagogical Review
• Spherical Collapse of a Unified Dark Fluid with Constant Adiabatic Sound Speed
• Constraining Parameters of Generalized Cosmic Chaplygin Gas in Loop Quantum Cosmology
• Gamma-Ray Bursts and Dark Energy - Dark Matter interaction
• Cosmological observations in non-local $F(R)$ cosmology
• Study of Thermodynamics in Generalized Holographic and Ricci Dark Energy Models
• Ricci-cubic holographic dark energy
• Duality linking standard and tachyon scalar field cosmologies
• Non-linear spherical collapse in tachyon models, and a comparison of collapse in tachyon and quintessence models of dark energy
• Statefinder analysis of the superfluid Chaplygin gas model
• A cosmological model of the early universe based on ECG with variable $\Lambda$-term in Lyra geometry
• New holographic Chaplygin gas model of dark energy
• Probing Quintessence Potential with Future Cosmological Surveys
• On exotic objects made of dark energy and dark matter: Mass-to-radius profiles and tidal Love numbers
• Variable Chaplygin Gas: Constraints from Supernovae, GRB and Gravitational Wave Merger Events
• Effects of particle creation rate in two-fluid interacting cosmologies
• Mass varying dark matter in effective GCG scenarios
• Dynamical System Analysis of Brane Induced Gravity with Tachyon Field
• Generalized Ghost Dark Energy in DGP Model
• A Nearly Model-Independent Characterization of Dark Energy Properties as a Function of Redshift
• Cosmological applications in Kaluza-Klein theory
• Scalar field dark energy: Insights into cosmological evolution and black hole accretion
• Fitting the luminosity data from type Ia supernovae in the frame of the Cosmic Defect theory
• The variation of the electromagnetic coupling and quintessence
• A fully quantum method of determination of penetrability and reflection coefficients in quantum FRW model with radiation
• Cosmological thinking: cultural heritage and challenge
• Chaplygin gas in decelerating DGP gravity and the age of the oldest star
• Observational constraints to a unified cosmological model
• Singularity crossing, transformation of matter properties and the problem of parametrization in field theories
• Multidimensional gravitational model with anisotropic pressure
• Intra--Galactic thin shell wormhole and its stability
• Interacting Chaplygin gas revisited
• Quintessential Inflation, Unified Dark Energy and Dark Matter, and Higgs Mechanism
• Transient Accelerating Scalar Models with Exponential Potential
• How effective is new variable modified Chaplygin gas to play the role of dark energy- A dynamical system analysis in RS II Brane model
• Friedmann-Robertson-Walker Models with Late-Time Acceleration
• Evolution of spherical overdensity in Chaplygin gas model
• Quintessence and phantom emerging from the split-complex field and the split-quaternion field
• Observational constraints on the unified dark matter and dark energy model based on the quark bag model
• Cosmic Acceleration in an Extended Brans-Dicke-Higgs Theory
• Unified dark fluid with fast transition: including entropic perturbations
• Mathematical properties of cosmological models with accelerated expansion
• Crossing of the Cosmological Constant Boundary - an Equation of State Description
• Structure formation and CMBR anisotropy spectrum in the inflessence model
• Acoustic horizons for axially and spherically symmetric fluid flow
• Shear Dynamics in Higher Dimensional FLRW Cosmology
• Validity of Thermodynamical Laws in Dark Energy Filled Universe
• Cosmological models based on a complex scalar field with a power-law potential associated with a polytropic equation of state
• Black Hole Dynamics in Power-law based Metric $f(R)$ Gravity
• Generalized unimodular gravity in Friedmann and Kantowski-Sachs universes
• Dynamical analysis and cosmological evolution in Weyl integrable gravity
• Affine Connections in Quantum Gravity and New Scalar Fields
• Algebraic expansions for curvature coupled scalar field models
• Scale Factor Self-Dual Cosmological Models
• Inflation as a Solution to the Early Universe Entropy Problem
• Interacting Tsallis agegraphic dark energy in DGP Braneworld Cosmology
• The de Sitter swampland conjectures in the context of Chaplygin-inspired inflation
• AdS braneworld with Backreaction
• Correspondence between Electro-Magnetic Field and other Dark Energies in Non-linear Electrodynamics
• On the self-similar motion of a gravitating Chaplygin fluid
• Varying Speed of Light, Modified Chaplygin Gas and Accelerating Universe
• The clustering of dark energy
• Dieterici gas as a Unified Model for Dark Matter and Dark Energy
• Note on Dark Energy and Cosmic Transit in a scale-invariance cosmology
• Effect of Dynamical Cosmological Constant in presence of Modified Chaplygin Gas for Accelerating Universe
• Regular Friedmann Universes and Matter Transformations
• Crossing the phantom divide with a classical Dirac field
• Constraints on the unified dark energy-dark matter model from latest observational data
• Constraining hybrid potential scalar field cosmological model in Lyra's geometry with recent observational data
• Thermodynamics of Modified Chaplygin-Jacobi Gas and Modified Chaplygin-Abel Gas: Stability Analysis and Observational Constraints
• Can the cosmological dark sector be modeled by a single scalar field?
• Interacting Induced Dark Energy Model
• Cosmology and stellar equilibrium using Newtonian hydrodynamics with general relativistic pressure
• Phenomenological models of Universe with varying $G$ and $\Lambda$
• Dark Energy and Inflation with Volume Normalized Action
• The curvaton scenario in Brane cosmology: model parameters and their constraints
• Dynamical neutrino masses in the generalized Chaplygin gas scenario with mass varying CDM
• On a quadratic equation of state and a universe mildly bouncing above the Planck temperature
• Observational constraints using Bayesian statistics and Deep Learning in $f(Q)$ gravity
• Scalar-metric quantum cosmology with Chaplygin gas and perfect fluid
• Solar system tests of scalar field models with an exponential potential
• A toy model of a fake inflation
• Inhomogeneous and interacting vacuum energy
• w=1/3 to w=-1 evolution in a Robertson-Walker space-time with constant scalar curvature
• Mimicking the LCDM model with Stealths
• Impact of dark energy on the equation of state in light of the latest cosmological data
• Dark energy effects on realistic neutron stars
• Testing and selecting cosmological models with ultra-compact radio quasars
• Dynamical systems analysis of a cosmological model with interacting Umami Chaplygin fluid in adiabatic particle creation mechanism: Some bouncing features
• Can the NANOGrav observations constrain the geometry of the universe?
• Slow-roll Natural & Hilltop Inflation in Rastall Gravity
• Cosmological evolution of a D-brane
• Cosmic Evolution of the Kantowski-Sachs Universe in the Context of a Bulk Viscous String in Teleparallel Gravity
• Ten scenarios from early radiation to late time acceleration with a minimally coupled dark energy
• Why did the dark matter hypothesis supersede modified gravity in the 1980s?
• Pseudo Newtonian Potential For a Rotating Kerr Black Hole Embedded in Quintessence
• Latest Cosmological Constraints on Cardassian expansion models including the updated Gamma-ray bursts
• Vanishing Pressure Limit of Solutions to the Aw-Rascle Model for Modified Chaplygin gas
• On accretion of dark energy onto black- and worm-holes
• Gravastar in the framework of Loop Quantum Cosmology
• The Chaplygin Gas Equation of State for the Quantized Free Scalar Field on Cosmological Spacetimes
• A Kaluza-Klein Inspired Brans-Dicke Gravity with Dark Matter and Dark Energy Model
• A closer look at the cosmological implications of the $\Lambda$HDE model
• Accelerating Universe: Observational Status and Theoretical Implications
• Exploring the deviation of cosmological constant by a generalized pressure dark energy model
• Cosmological Unification, Dark Energy and the Origin of Neutrino Mass
• Seeding the vacuum with entropy: the Chaplygin-like vacuum hypothesis
• Bounding f(R,T) gravity by particle creation
• Early-Matter-Like Dark Energy and the Cosmic Microwave Background
• Supernovae constraints on dark energy and modified gravity models
• Inflationary Constraints on the Van der Waals Equation of State
• Generalized Holographic Cosmology: low-redshift observational constraint
• New parameterizations of generalized Chaplygin gas model constrained at background and perturbation levels
• A comprehensive analysis of Barrow holographic Chaplygin gas model reconstruction and its cosmological consequences
• Phase Space Analysis for Anisotropic Universe with Nonlinear Bulk Viscosity
• Raychaudhuri-based reconstruction of anisotropic Einstein-Maxwell equation in 1+3 covariant formalism of $f(R)$-gravity
• No slow-roll inflation à la Generalized Chaplygin Gas in General Relativity
• A class of regular bouncing cosmologies
• Holographic Ricci dark energy and generalized second law
• Dark Energy Accretion onto Van der Waal's Black Hole
• Perturbation in an interacting dark universe
• Generalized Ghost Pilgrim Dark Energy Fractal Cosmology with Observational Constraint
• Constraints on Holographic cosmologies from strong lensing systems
• Analytic Study of Cosmological Perturbations in a Unified Model of Dark Matter and Dark Energy with a Sharp Transition
• Unified dark matter: constraints from galaxies and clusters
• Study of thermal stability for different dark energy models
• Dark energy with $w\to -1$: Asymptotic $\Lambda$ versus pseudo-$\Lambda$
• Cosmological Evolution of Viscous Dark Energy in f(Q,C) Gravity: Two-Fluid Approach
• Naturalness and stability of the generalized Chaplygin gas in the seesaw cosmon scenario
• Sound Speed in Extended Chaplygin Fluid
• Gauss Bonnet dark energy Chaplygin Gas Model
• Chaplygin Gas of Tachyon Nature Imposed by Symmetry and Constrained via H(z) Data
• Ray tracing in FLRW flat space-times
• Reconstructing the Cosmic Expansion History with a Monotonicity Prior
• Gravitational lenses in the dark Universe
• The cosmological dark sector as a scalar $\sigma$-meson field
• On the cosmological viability of the Hu-Sawicki type modified induced gravity
• Time dependent dark energy and the thermodynamics of many-body systems
• The Effects of Tachyonic and Phantom Fields in the Intermediate and Logamediate Scenarios of the Anisotropic Universe
• Probing the independence within the dark sector in the fluid approximation
• Accelerating Universe in Higher Dimensional Space Time : an alternative approach
• Power-law solutions for TeVeS
• Coupling active and sterile neutrinos in the cosmon plus seesaw framework
• A novel model of non-singular oscillating cosmology on flat Randall-Sundrum II braneworld
• Gravitational Lensing of Dark Energy Models and $\Lambda$CDM Using Observational data in Loop Quantum Cosmology
• Accelerated expansion of a universe containing a self-interacting Bose-Einstein gas
• The $D$-dimensional charged AdS black holes solutions in polytropic dark energy from Barrow entropy
• On the Field Theoretical Description of an Alternative Model to Generalized Chaplygin Gas and its Thermodynamic Behaviour
• Non-Affine Extensions of the Raychaudhuri Equation in the K-essence Framework
• Constraints on cosmological parameters and CMB first acoustic peak in conformal Killing gravity
• Nonlinear evolution of anisotropic matter configurations under higher-order curvature corrections
• Exploring the expansion of the universe using the Grüneisen parameter
• Scalar and vector perturbations in a universe with nonlinear perfect fluid
• Dynamical System Analysis of Randall-Sundrum Model with Tachyon Field on the Brane
• Method of determining cosmological parameter ranges with samples of candles with an intrinsic distribution
• 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
• On the thermodynamics of scale factor dual Universes
• Is it possible to observationally distinguish adiabatic Quartessence from LambdaCDM?
• The electromagnetic coupling and the dark side of the Universe
• Dark Energy vs. Dark Matter: Towards a Unifying Scalar Field?
• The possibility of a stable flat dark energy-dominated Swiss-cheese Brane-world universe with a deceleration-acceleration transition
• Weak Gravity Conjecture and Holographic Dark Energy Model with Interaction and Spatial Curvature
• A class of transient acceleration models consistent with Big Bang Cosmology
• Interaction between Tachyon and Hessence (or Hantom) dark energies
• The Stability Analysis of Brane Induced Gravity with Quintessence Field on the Brane with a Gaussian Potential
• How does Inflation Depend Upon the Nature of Fluids Filling Up the Universe in Brane World Scenario
• Characterising Dark Energy through supernovae
• Tachyon cosmology with non-vanishing minimum potential: a unified model
• The role of potential in the ghost-condensate dark energy model
• Quintessence, Unified Dark Energy and Dark Matter, and Confinement/Deconfinement Mechanism
• Spherical "Top-Hat" Collapse in a Modified Chaplygin Gas Dominated Universe
• Absence of curvature singularities in symmetric perfect fluid spacetimes in Einstein-Gauss-Bonnet Gravity
• Variable Modified Chaplygin Gas in Anisotropic Universe with Kaluza-Klein Metric
• Barboza-Alcaniz Equation of State Parametrization : Constraining the Parameters in Different Gravity Theories
• Interacting Models of Generalised Chaplygin Gas and Modified Chaplygin Gas with Barotropic Fluid
• Matter Creation Cosmologies and Accelerated Expansion
• Chaplygin electron gas model
• Interacting dark fluid in the universe bounded by event horizon : A non-equilibrium prescription
• Red-shift parametrizations of dark energy and observational constraint on their parameters: Galileon gravity as background
• A scaling invariance of the perturbations in $k$-inflation models
• Interacting Dark Energy and Its Implications for Unified Dark Sector
• Cosmic Acceleration Data and Bulk-Brane Energy Exchange
• Geometric sigma model of the Universe
• The Osgood Criterion and Finite-Time Cosmological Singularities
• Thermodynamics and holography of tachyon cosmology
• Non-canonical 3-form dark energy
• Coupled fluids model in FRW space-time
• Galilei Group with multiple central extension, vorticity and entropy generation: "Exotic" fluid in 3+1-dimensions
• Particle Production Scenario in an Algebraically Coupled Quintessence Field with a Dark Matter Fluid
• Neutrino Interactions with perturbed Rastall Gravity: A Novel Approach to Reducing the Hubble Tension
• Does Unruh radiation accelerate the universe? A novel approach to the cosmic acceleration
• Evolution of perturbations in a universe with exotic solid-like matter
• A non-singular closed bouncing universe without violation of null energy condition
• Homogeneous cosmologies in scalar tensor theory
• Observational Constraints on Chaplygin Gas Models in Non-Minimally Coupled Power Law $f(Q)$ Gravity with Quasars
• A new approach to modified-gravity models
• Equilibrium and stability of neutrino lumps as TOV solutions
• Scalar field in cosmology: Potential for isotropization and inflation
• New dynamical features of pure k-essential cosmologies
• Particle mixing as possible explanation of the dark energy conundrum
• Thermodynamics of irreversible particle creation phenomena and its cosmological consequence
• Is the cosmological dark sector better modeled by a generalized Chaplygin gas or by a scalar field?
• Shear-free conditions of a Chaplygin-Gas-dominated universe
• Stability of Differentially Rotating Disks in $f(T)$ Theory
• Reconstruction of Tsallis Holographic Dark Energy via Modified Non-Metric Gravity: An $f(Q,C)$ Approach
• Implications of $f(R)$ gravity on late-time cosmic structure growth through a complete description of density perturbations
• Ricci-Cubic Holographic Dark Energy: Confronting Observations, Stability and the Cosmic Coincidence Problem
• Newtonian Approach to the Matter Power Spectrum of the Generalized Chaplygin Gas
• An exotic k-essence interpretation of interactive cosmological models
• Cosmological Dynamics of Exponential Quintessence Constrained by BAO, Cosmic Chronometers, and DES-SN5YR/Pantheon+ Data
• Role of Chameleon Field in presence of Variable Modified Chaplygin gas in Brans-Dicke Theory
• The Cosmological Constant as a Function of Extrinsic Curvature and Spatial Curvature
• Long-wavelength gravitational waves and cosmic acceleration
• Cosmology from Strong Interactions
• Curvaton reheating and intermediate inflation in brane cosmology
• Stability Analysis of DGP Brane-world Model with Agegraphic Dark Energy
• Viscous Cold Dark Matter in agreement with observations
• Semi-holographic model revisited
• Late time attractors of some varying Chaplygin gas cosmological models
• Polytropic $f(Q)$ cosmology and its implications for the $H_0$ tension
• A Jacobian generalization of the pseudo Nambu-Goldstone bosons potential
• Dark sector interactions in light of weak lensing data
• On a sneezing universe
• Cosmological solutions with time-delay
• Accelerating Universe with binary mixture of bulk viscous fluid and dark energy
• Perturbations with bulk viscosity in modified chaplygin gas cosmology
• Is it possible to separate baryonic from dark matter within the $\Lambda$-CDM formalism?
• Expanding Universe: Thermodynamical Aspects From Different Models
• Dark Energy, Hyperbolic Cosecant Cardassian and Virial Collapse for Power-style Cardassian
• Braneworld wormholes supported by astrophysical observations
• Hamilton-Jacobi formalism for Generalized Chaplygin Gas models
• Perturbations In Some Dark Energy Models
• A Prior Derivation and Local Existence of Classical Solutions for the Relativistic Euler Equations with Logarithmic Equation of State
• Scalar-tensor gravity in the Palatini approach
• Chaplygin gas halos
• New Developments in the Spectral Asymptotics of Quantum Gravity
• Dark energy and the future fate of the Universe
• The Complex Symmetry Gravitational Theory as a New Alternative of Dark Energy
• Inflationary and dark energy regimes in 2+1 dimensions
• Some Consequences of Dark Energy Density varying Exponentially with Scale Factor
• Extended Theories of Gravity in cosmological and astrophysical applications
• Structure formation in a non-canonical scalar field model of clustering dark energy
• On the Stability of the Euler-Poisson Dark-Fluid Model
• On dark sector scalar field theories driven by cosmological $c$-fields
• Unifying the Dark Sector with the New Generalized Chaplygin Gas: Observational Constraints
• Background-level reconstruction of scalar-field potentials from dark-energy histories and comparison with analytic potential families
• Background dynamics and observational constraints of flat and non-flat $\Lambda (t)$CDM models from $H(z)$ and DESI DR2 BAO measurements
• Gauss-Bonnet Gravity and Spacetime Singularities
• The Lambert $W$ equation of state in light of DESI BAO
• Emergent Universe Scenario in the Modified Chaplygin gas : Towards an Exact Solution and Observational Constraints
• Accretion of Generalized Chaplygin Gas onto Cosmologically Coupled Black Holes
• Cosmological and lunar laser ranging constraints on evolving dark energy in a nonminimally coupled curvature-matter gravity model
• Dynamical friction shear and rotation in Chaplygin cosmology
• Conditional variational autoencoders for cosmological model discrimination and anomaly detection in cosmic microwave background power spectra
• Spherical Collapse in Modified Gravity Theories
• Eddington-Born-Infeld action and the dark side of general relativity
• Is Dark Energy an Effective Manifestation of Non-equilibrium Thermodynamics? -- Insights from DESI
• Cosmological evolution driven by polytropic fluids in an inhomogeneous spacetime
• Fermionic quantum cosmology as a framework for resolving type IV singularities
• Physical Implications and Updated Observational Constraints of the PAge-like Unified Dark Fluid Model
• The quintessence field as a perfect cosmic fluid of constant pressure
• Phase space analysis and cosmography of a two-fluid cosmological model
• Quantum Cosmology Close to the Classical Big Bang Singularity and in the Semiclassical Limit
• Studies of the Inhomogeneous Cosmology in Higher Dimensional space-time with a Cosmological Constant
• Roads for Right-handed Neutrino Dark Matter: Fast Expansion, Standard Freeze-out, and Early Matter Domination
• Field theory aspects of cosmology and black holes
• $\Lambda$CDM, $\Lambda$DGP and extended phantom-like cosmologies
• Dark energy and negative compressibility of the Universe: A study based on cosmic equations of state
• A cyclic cosmological model based on the f(ρ) modified theory of gravity
• The relation between Geometry and Matter in classical and quantum Gravity and Cosmology
• Kiselev/CFT correspondence and black hole thermodynamics
• Reconstructing the Equation of State for Dark Energy In the Double Complex Symmetric Gravitational Theory
• Anisotropic scalar-metric quantum cosmology and unitarity
• On the Stability of Dark Energy Scalar Field Reconstruction from SNe Ia Data
• Global Existence of Solutions to the Compressible Euler Equations with Time-dependent Damping and Logarithmic State Equation
• Has the density of sources of gamma-ray burts been constant over the last ten billion years ?
• Machian gravity and a cosmology without dark matter and dark energy
• Scalar field theory for warm dark matter
• Dark radiation from a unified dark fluid model
• A Study on Ricci Dark Energy in Bulk-Brane Interaction
• Joint analysis of EDGES $21$-cm line observations with standard candles and rulers in $\Lambda$CDM and non-adiabatic gCg models
• Dark energy, chaotic fields, and fundamental constants
• Charged Lovelock black holes in the presence of dark fluid with a nonlinear equation of state
• Supersonic flow of Chaplygin gas past a delta wing