Can modified gravity explain accelerated cosmic expansion?

Abstract

We show that the recently suggested explanations of cosmic acceleration by the modification of gravity at small curvature suffer violent instabilities and strongly disagree with the known properties of gravitational interactions.

4 pages, no figure, revised version (one footnote added)

Cited by in corpus (503)

• Dynamics of dark energy
• f(R) Theories Of Gravity
• Unified cosmic history in modified gravity: from F(R) theory to Lorentz non-invariant models
• Modified Gravity and Cosmology
• f(R) theories
• Extended Theories of Gravity
• Introduction to Modified Gravity and Gravitational Alternative for Dark Energy
• f(R,T) gravity
• Modified Gravity Theories on a Nutshell: Inflation, Bounce and Late-time Evolution
• Dark energy cosmology: the equivalent description via different theoretical models and cosmography tests
• Models of f(R) Cosmic Acceleration that Evade Solar-System Tests
• f(T) teleparallel gravity and cosmology
• Modified Gauss-Bonnet theory as gravitational alternative for dark energy
• Disappearing cosmological constant in f(R) gravity
• Dark torsion as the cosmic speed-up
• Beyond the Cosmological Standard Model
• Cosmology and Fundamental Physics with the Euclid Satellite
• Modified f(R) gravity consistent with realistic cosmology: from matter dominated epoch to dark energy universe
• Cosmology and fundamental physics with the Euclid satellite
• Class of viable modified $f(R)$ gravities describing inflation and the onset of accelerated expansion
• Dark Energy
• Dark energy in modified Gauss-Bonnet gravity: late-time acceleration and the hierarchy problem
• Palatini Approach to Modified Gravity: f(R) Theories and Beyond
• Conditions for the cosmological viability of f(R) dark energy models
• The Cosmology of Generalized Modified Gravity Models
• Unifying inflation with LambdaCDM epoch in modified f(R) gravity consistent with Solar System tests
• Dark Matter and Dark Energy
• Are f(R) dark energy models cosmologically viable ?
• Do consistent $F(R)$ models mimic General Relativity plus $\Lambda$?
• Avoiding Dark Energy with 1/R Modifications of Gravity
• The Large Scale Structure of f(R) Gravity
• Reconciling dark energy models with f(R) theories
• The Physics of Cosmic Acceleration
• Modified f(R) gravity unifying R^m inflation with \LambdaCDM epoch
• Testing General Relativity in Cosmology
• Observational signatures of f(R) dark energy models that satisfy cosmological and local gravity constraints
• One-loop f(R) gravity in de Sitter universe
• Low surface brightness galaxies rotation curves in the low energy limit of $R^n$ gravity : no need for dark matter?
• Modified gravity and its reconstruction from the universe expansion history
• Constraining f(R) Gravity as a Scalar Tensor Theory
• Approaches to Understanding Cosmic Acceleration
• Dark Energy Dominance and Cosmic Acceleration in First Order Formalism
• Extended Gravity Cosmography
• Probes and Tests of Strong-Field Gravity with Observations in the Electromagnetic Spectrum
• Spherically symmetric solutions of modified field equations in f(R) theories of gravity
• The pattern of growth in viable f(R) cosmologies
• f(R, T, R_μνT^μν) gravity phenomenology and ΛCDM universe
• Further matters in space-time geometry: $f(R,T,R_{\mu \nu }{T}^{\mu \nu })$ gravity
• Metric-affine f(R) theories of gravity
• Reconstruction of $f(T)$ gravity: Rip cosmology, finite-time future singularities and thermodynamics
• Consistent modified gravity: dark energy, acceleration and the absence of cosmic doomsday
• Testing General Relativity with Low-Frequency, Space-Based Gravitational-Wave Detectors
• Generalized curvature-matter couplings in modified gravity
• Solar system and equivalence principle constraints on f(R) gravity by chameleon approach
• Energy conditions in f(R)-gravity
• Dark Energy and Dark Gravity
• Modified non-local-F(R) gravity as the key for the inflation and dark energy
• Modified gravity models of dark energy
• Phantom crossing, equation-of-state singularities, and local gravity constraints in f(R) models
• Curing singularities in cosmological evolution of F(R) gravity
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• Accelerated Cosmological Models in Ricci squared Gravity
• Solar System tests DO rule out 1/R gravity
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• The stability of modified gravity models
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• Non-linear evolution of f(R) cosmologies II: power spectrum
• Smoothing Supernova Data to Reconstruct the Expansion History of the Universe and its Age
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• Cosmological constraints on f(R) gravity theories within the Palatini approach
• Solar System experiments do not yet veto modified gravity models
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• f(R) actions, cosmic acceleration and local tests of gravity
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• Lemaitre-Tolman-Bondi model and accelerating expansion
• Dark energy and cosmological solutions in second-order string gravity
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• f(R) gravity theories in Palatini formalism: cosmological dynamics and observational constraints
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• Static spherically symmetric perfect fluid solutions in $f(R)$ theories of gravity
• PPN-limit of Fourth Order Gravity inspired by Scalar-Tensor Gravity
• Exploring physical features of anisotropic strange stars beyond standard maximum mass limit in $f\left(R,\mathcal{T}\right)$ gravity
• A viability criterion for modified gravity with an extra force
• Newton law corrections and instabilities in $f(R)$ gravity with the effective cosmological constant epoch
• The Newtonian limit at intermediate energies
• New types of $f(T)$ gravity
• Noether symmetries and analytical solutions in f(T)-cosmology: A complete study
• Stability of the Einstein static universe in f(R) gravity
• Unification of Constant-roll Inflation and Dark Energy with Logarithmic $R^2$-corrected and Exponential $F(R)$ Gravity
• Accelerated Cosmological Models in First-Order Non-Linear Gravity
• Cosmological Evolution in 1/R-Gravity Theory
• Classifying and avoiding singularities in the alternative gravity dark energy models
• Cosmological evolution in exponential gravity
• A bird's eye view of f(R)-gravity
• Gravitational waves in the $f(R,T)$ theory of gravity
• The nearly Newtonian regime in Non-Linear Theories of Gravity
• Time-dependent matter instability and star singularity in $F(R)$ gravity
• On the consistency of universally non-minimally coupled $f(R,T,R_{\mu \nu }{T}^{\mu \nu })$ theories
• Testing the running of the cosmological constant with Type Ia Supernovae at high z
• Density perturbations in f(R) gravity theories in metric and Palatini formalisms
• Aspects of cosmological expansion in F(R) gravity models
• Cosmological Constraints on $f(G)$ Dark Energy Models
• Stability of spherically symmetric solutions in modified theories of gravity
• The growth of matter perturbations in f(R) models
• Adiabatic instability in coupled dark energy-dark matter models
• Energy Conditions in $f(R,T,R_{\mu \nu }{T}^{\mu \nu })$ Gravity
• Perturbed Kerr Black Holes can probe deviations from General Relativity
• Observational constraints on viable f(R) parametrizations with geometrical and dynamical probes
• The phase space view of f(R) gravity
• Charged spherically symmetric black holes in $f(R)$ gravity and their stability analysis
• Constraining Inverse Curvature Gravity with Supernovae
• Next Generation Redshift Surveys and the Origin of Cosmic Acceleration
• Phantom cosmology with general potentials
• Cosmological Effects of Nonlinear Electrodynamics
• Spherically symmetric spacetimes in f(R) gravity theories
• Modified gravity as an alternative for Lambda-CDM cosmology
• Constraining f(R) gravity in the Palatini formalism
• Dark energy, inflation and dark matter from modified F(R) gravity
• Wormhole throats in $R^m$ gravity
• Selected topics in scalar-tensor theories and beyond
• Anisotropic cosmological models in $f(R,T)$ gravity with variable deceleration parameter
• Resembling dark energy and modified gravity with Finsler-Randers cosmology
• Cosmographic Constraints and Cosmic Fluids
• On Wormhole Throats in $f(R)$ Gravity Theory
• Some exact solutions of F(R) gravity with charged (a)dS black hole interpretation
• Validation of Energy Conditions in Wormhole Geometry within Viable $f(R)$ Gravity
• Energy Conditions and Stability in generalized $f(R)$ gravity with arbitrary coupling between matter and geometry
• Accelerating Cosmologies and Inflation from M/Superstring Theories
• The behavior of $f(R)$ gravity in the solar system, galaxies and clusters
• Solar System Constraints on Gauss-Bonnet Mediated Dark Energy
• Generalizing the coupling between geometry and matter: $f(R,L_m,T)$ gravity
• Unifying Einstein and Palatini gravities
• Can higher curvature corrections cure the singularity problem in f(R) gravity?
• f(R) theories of gravity in Palatini approach matched with observations
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• Observational signatures of Jordan-Brans-Dicke theories of gravity
• Unification of inflation and cosmic acceleration in the Palatini formalism
• Ghost Constraints on Modified Gravity
• Modified gravity and the stability of de Sitter space
• Cosmic history of viable exponential gravity: Equation of state oscillations and growth index from inflation to dark energy era
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• Viable Singularity-Free f(R) Gravity Without a Cosmological Constant
• Mimicking dark matter through a non-minimal gravitational coupling with matter
• Theory of gravitation theories: a no-progress report
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• Cosmological evolution in R^2 gravity
• Electromagnetic Field and Cylindrical Compact Objects in Modified Gravity
• Some aspects of generalized modified gravity models
• The viability of theories with matter coupled to the Ricci scalar
• Curvature scalar instability in f(R) gravity
• Cosmic microwave background with Brans-Dicke gravity II: constraints with the WMAP and SDSS data
• Newtonian limit of the singular f(R) gravity in the Palatini formalism
• Dynamics in Nonlocal Cosmological Models Derived from String Field Theory
• Viscous FRW Cosmology in Modified Gravity
• Constraints on f(R) Cosmology in the Palatini Formalism
• The bounce universe history from unimodular $F(R)$ gravity
• Spherically symmetric brane spacetime with bulk $f(\mathcal{R})$ gravity
• Gravitational Perfect Fluid Collapse in f(R) Gravity
• Time Lumps in Nonlocal Stringy Models and Cosmological Applications
• Modified gravity with logarithmic curvature corrections and the structure of relativistic stars
• Robust approach to f(R) gravity
• A New Perspective on DGP Gravity
• How (Not) to Palatini
• The Cauchy problem of f(R) gravity
• Cosmic voids in modified gravity models with massive neutrinos
• Updated constraints on $f(\mathcal{R})$ gravity from cosmography
• $f(R)$ gravity constrained by PPN parameters and stochastic background of gravitational waves
• On the Newtonian limit of Generalized Modified Gravity Models
• Anisotropic Fluid and Bianchi Type III Model in f(R) Gravity
• The relation between F(R) gravity and Einstein-conformally invariant Maxwell source
• Black hole entropy in scalar-tensor and f(R) gravity: an overview
• de Sitter attractors in generalized gravity
• Accelerating Universe in Modified Theories of Gravity
• Horizon thermodynamics in $f(R)$ theory
• Gödel-type universes in f(R) gravity
• Constraining f(R) gravity in solar system, cosmology and binary pulsar systems
• Solar System planetary orbital motions and f(R) Theories of Gravity
• Imperfect fluid description of modified gravities
• The effect of modified gravity on weak lensing
• Viable Mimetic Completion of Unified Inflation-Dark Energy Evolution in Modified Gravity
• Consistent long distance modification of gravity from inverse powers of the curvature
• Cosmological expansion and the uniqueness of gravitational action
• Beyond Einstein's General Relativity: Hybrid metric-Palatini gravity and curvature-matter couplings
• Dark Energy Model in Anisotropic Bianchi Type-III Space-Time with Variable EoS Parameter
• Curvature driven acceleration : a utopia or a reality ?
• Bouncing inflation in nonlinear $R^2+R^4$ gravitational model
• 6+1 lessons from f(R) gravity
• Energy-momentum complexes in f(R) theories of gravity
• Spherically symmetric black holes in $f(R)$ gravity: Is geometric scalar hair supported ?
• Noether Charge and Black Hole Entropy in Modified Theories of Gravity
• Super-acceleration on the Brane by Energy Flow from the Bulk
• Charged rotating black holes coupled with nonlinear electrodynamics Maxwell field in the mimetic gravity
• Explosive phenomena in modified gravity
• Latest supernovae constraints on f(R) cosmologies
• Cosmological equivalence between the Finsler-Randers space-time and the DGP gravity model
• Stability analysis for cosmological models in $f(R)$ gravity using dynamical system analysis
• Stellar configurations in f(R) theories of gravity
• On Higher Order Gravities, Their Analogy to GR, and Dimensional Dependent Version of Duff's Trace Anomaly Relation
• Theoretical and observational constraints of viable f(R) theories of gravity
• Cosmological dynamics in f(R) gravity
• Quest for the extra degree of freedom in f(T) gravity
• Quantized fields and gravitational particle creation in f(R) expanding universes
• On the non-attractive character of gravity in f(R) theories
• Stability of f(R) black holes
• Cosmological Constraints from Hubble Parameter on f(R) Cosmologies
• Acceleration of the universe in the Einstein frame of a metric-affine f(R) gravity
• Conditions and instability in $f(R)$ gravity with non-minimal coupling between matter and geometry
• Cosmological perturbations in Palatini modified gravity
• Hints of Modified Gravity in Cosmos and in the Lab?
• Instability of rotating black hole in a limited form of $f(R)$ gravity
• Collider Signals of Gravitational Fixed Points
• F(R) gravity's rainbow and its Einstein counterpart
• Perturbative aspects and conformal solutions of F(R) gravity
• Sub-millimeter Spatial Oscillations of Newton's Constant: Theoretical Models and Laboratory Tests
• Generic feature of future crossing of phantom divide in viable $f(R)$ gravity models
• An alternative explanation of the conflict between 1/R gravity and solar system tests
• Matter may matter
• Spherical collapse in f(R) gravity and the Belinskii-Khalatnikov-Lifshitz conjecture
• Dust Static Spherically Symmetric Solution in $f(R)$ Gravity
• Dark energy: investigation and modeling
• Coupled oscillators as models of phantom and scalar field cosmologies
• One-loop f(R) Gravitational Modified Models
• A new test of $f(R)$ gravity with the cosmological standard rulers in radio quasars
• $f(R,T)=f(R)+\lambda T$ gravity models as alternatives to cosmic acceleration
• A conservative energy-momentum tensor in the $f(R,T)$ gravity and its implications for the phenomenology of neutron stars
• Energy conditions constraints on a class of f(R)-gravity
• AdS and stabilized extra dimensions in multidimensional gravitational models with nonlinear scalar curvature terms 1/R and R^4
• Higher-order theories of gravity: diagnosis, extraction and reformulation via non-metric extra degrees of freedom
• Screening of cosmological constant for De Sitter Universe in non-local gravity, phantom-divide crossing and finite-time future singularities
• Oscillations of the F(R) dark energy in the accelerating universe
• FLRW metric $f(R)$ cosmology with a perfect fluid by generating integrals of motion
• Practical solutions for perturbed f(R) gravity
• Strong energy condition and the repulsive character of f(R) gravity
• Generation of spherically symmetric metrics in $f\left(R\right)$ gravity
• Wormhole Geometry and Noether Symmetry in f(R) Gravity
• Stability criterion for white dwarfs in Palatini $f(R)$ gravity
• Constraints on $f(R)$ theories of gravity from GW170817
• Superstring-inspired supergravity as the universal source of inflation and quintessence
• Some static spherically symmetric interior solutions of $f(R)$ gravity
• Early and late time cosmology: the $f(R)$ gravity perspective
• Spotting deviations from R^2 inflation
• Dark Energy from Brane-world Gravity
• Reheating after f(R) inflation
• Gödel-type universes in Palatini f(R) gravity
• Cosmological phase space of generalized hybrid metric-Palatini theories of 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
• A new approach to the analysis of the phase space of f(R)-gravity
• Testing logarithmic corrections on $R^2$-exponential gravity by observational data
• Five-dimensional generalized $f(R)$ gravity with curvature-matter coupling
• Beyond-one-loop quantum gravity action yielding both inflation and late-time acceleration
• Gravitational Waves in Viable f(R) Models
• Instability of a Kerr black hole in f(R) gravity
• Late-time constraints on modified Gauss-Bonnet cosmology
• Can F(R)-gravity be a viable model: the universal unification scenario for inflation, dark energy and dark matter
• Equilibrium hydrostatic equation and Newtonian limit of the singular f(R) gravity
• Constraining Extended Theories of Gravity using Solar System Tests
• Impact of Tolman-Kuchowicz Potentials on Gauss-Bonnet Gravity and Isotropic Stellar Structures
• Gravitational Field of a Global Monopole in a Modified Gravity
• Statefinder diagnostic and constraints on the Palatini f(R) gravity theories
• Spherical Symmetric Solution in f(R) Model Around Charged Black Hole
• Position and frequency shifts induced by massive modes of the gravitational wave background in alternative gravity
• The growth factor of matter perturbations in an f(R) gravity
• Modified f(G) gravity models with curvature-matter coupling
• Stability analysis of f(R)-AdS black holes
• Accelerated Expansion of the Universe in Gauss-Bonnet Gravity
• Eguchi-Hanson like space-times in F(R) gravity
• Matter stability in modified teleparallel gravity
• "Detuned" f(R) gravity and dark energy
• A no-hair theorem for spherically symmetric black holes in $R^2$ gravity
• Observational constrained $F(R,\mathcal{G})$ gravity cosmological model and the dynamical system analysis
• On the motion of a test particle around a global monopole in a modified gravity
• Measurement of marked correlation functions in SDSS-III Baryon Oscillation Spectroscopic Survey using LOWZ galaxies in Data Release 12
• Higher Dimensional Inhomogeneous Perfect Fluid Collapse in \emph{f(R)} Gravity
• Genesis of Dark Energy: Dark Energy as Consequence of Release and Two-stage Tracking Cosmological Nuclear Energy
• Background cosmological dynamics in $f(R)$ gravity and observational constraints
• Comments on "Solar System constraints to general f(R) gravity"
• Acceleration of the Universe via f(R) Gravities and The Stability of Extra Dimensions
• Jeans Analysis of Bok globules in $f(R)$ gravity
• Curvature Singularities from Gravitational Contraction in f(R) Gravity
• Thermodynamics and Perturbative Analysis of Some Newly Developed $\mathcal{F}(R,L_m,T)$ Theories Under the Scenario of Conserved Energy-momentum Tensor
• Constraining Newtonian stellar configurations in f(R) theories of gravity
• Cosmology with a new f(R) gravity model in Palatini formalism
• f(R) Gravities à la Brans-Dicke
• Expansion history and f(R) modified gravity
• R^n gravity and the chameleon
• The dynamical viability of scalar-tensor gravity theories
• A model independent approach to the study of $f(R)$ cosmologies with expansion histories close to $\Lambda$CDM
• Reconstruction of $f(R)$ gravity models for an accelerated universe using Raychaudhuri equation
• Cyclic cosmology in modified gravity
• Viability of Noether symmetry of F(R) theory of gravity
• Cosmological constraints on a classical limit of quantum gravity
• Two-Fluid Dark Energy Models in Bianchi Type-III Universe with Variable Deceleration Parameter
• Modified GBIG Scenario as an Alternative for Dark Energy
• A Note on Energy-Momentum Conservation in Palatini Formulation of L(R) Gravity
• Analysis of Cosmic Evolution admitting Garcia-Salcedo Ghost and Generalized Ghost Dark Energy Models
• Testing f(R) gravity with the simulated data of gravitational waves from the Einstein Telescope
• Asymptotically Lifshitz black hole solutions in F(R) gravity
• Cosmography and large scale structure by f(R) gravity: new results
• Parameterizing scalar-tensor theories for cosmological probes
• Coincidence Problem in $f(R)$ Gravity Models
• Cosmographic constraints on a class of Palatini f(R) gravity
• Spherically symmetric collapse of a perfect fluid in f(R) gravity
• Anisotropic singularities in modified gravity models
• Effective Einstein Cosmological Spaces for Non-Minimal Modified Gravity
• How delicate are the $f(R)$ gravity models with disappearing cosmological constant?
• Clifton's spherical solution in f(R) vacuo harbours a naked singularity
• Generalized modified gravity with the second order acceleration equation
• Cosmological dynamics of interacting dark energy and dark matter in viable models of f(R) gravity
• Brane-$f(R)$ gravity and dark matter
• Stable super-inflating cosmological solutions in f(R)-gravity
• Constraining f(R) models with cosmic chronometers and the HII galaxy Hubble diagram
• Acceleration of the Universe in f(R) Gravity Models
• Observational Bounds on Modified Gravity Models
• Local Gravity Constraints and Power Law f(R) Theories
• Pressure effects in the weak-field limit of f(R) = R + alpha R^2 gravity
• Note on the equation of state of geometric dark-energy in f(R) gravity
• Spatial Curvature in $f(R)$ Gravity
• Future dynamics in f(R) theories
• Curvature Oscillations in Modified Gravity and High Energy Cosmic Rays
• Dynamical equivalence of $f(R)$ gravity in Jordan and Einstein frames
• Cosmological acceleration
• Reconstructing cosmic acceleration from modified and non-minimal gravity: The Yang-Mills case
• Metric gravity theories and cosmology:II. Stability of a ground state in f(R) theories
• Constant curvature f(R) gravity minimally coupled with Yang-Mills field
• Two approaches to testing general relativity in the strong-field regime
• Solar System tests and chameleon effect in f (R) gravity
• On the effective potential in higher-derivative superfield theories
• The content of f(R) gravity
• Revisiting Noether gauge symmetry for F(R) theory of gravity
• Modified gravity with an exponential function of curvature
• (2+1)-dimensional solutions in $F(R)$ gravity
• Zero Cosmological Constant from Normalized General Relativity
• Jeans Instability in Non-Minimal Matter-Curvature Coupling Gravity
• Standard Cosmological Evolution in f(R) Model to Kaluza Klein Cosmology
• Extended Cosmology in Palatini f(R)-theories
• Newtonian and Post Newtonian Expansionfree Fluid Evolution in f(R) Gravity
• Stability and Space Phase Analysis in f(R) theory with Generalized Exponential model
• Growth of perturbations in dark energy parametrization scenarios
• Why Noether symmetry of F(R) theory yields three-half power law?
• On exponential modified gravity
• A cosmological scenario from the Starobinsky model within the $f(R,T)$ formalism
• Intrinsic problems of gravitational baryogenesis
• Stable, Accelerating Universes in Modified Gravity
• Revisiting The Coincidence Problem in $f(R)$ Gravitation
• Gravitational collapse in f(R) gravity for a spherically symmetric spacetime admitting a homothetic Killing vector
• An analytic model for the transition from decelerated to accelerated cosmic expansion
• Stability of Schwarzschild-$f(R)$ gravity thin-shell wormholes
• Slice Energy in Higher Order Gravity Theories and Conformal Transformations
• A note on the dynamical system formulations in $f(R)$ gravity
• Static Spherically Symmetric Solution of (R +- μ^4/R) Gravity
• Classical Cancellation of the Cosmological Constant Re-Considered
• Linear perturbations in viable f(R) theories
• Small Cosmological Constant from Running Gravitational Coupling
• Superpotential method for $F(R)$ cosmological models
• Structure formation in $f(R)$ gravity: A distinguishing probe between the dark energy and modified gravity
• Thermal stability of stealth and de Sitter spacetimes in scalar-tensor gravity
• About matter and dark-energy domination eras in R^n gravity or lack thereof
• Prospects of constraining $f(T)$ gravity with the third-generation gravitational-wave detectors
• A minimal set of invariants as a systematic approach to higher order gravity models
• Particle Production in f(R) Gravity during Structure Formation
• Preserving quantum information in $f(Q)$ cosmology
• Cosmology based on $f(R)$ gravity with $\mathcal{O}(1)$ eV sterile neutrino
• De Sitter stability in quadratic gravity
• Cosmological dynamics of magnetic Bianchi I in viable $f(R)$ models of gravity
• Dark matter as a dynamic effect due to a non-minimal gravitational coupling with matter
• Born - Infeld-like modified gravity
• Supernova, baryon acoustic oscillations, and CMB surface distance constraints on f(G) higher order gravity models
• Constraining f(R) theories with cosmography
• Shape of Dark Energy: Constraining Its Evolution with a General Parametrization
• New non-singular cosmological solution of non-local gravity
• Power-law solutions and accelerated expansion in scalar-tensor theories
• Intricacies of Cosmological bounce in polynomial metric $f(R)$ gravity for flat FLRW spacetime
• On the stability of spherically symmetric spacetimes in metric f(R) gravity
• Dynamic properties of cyclic cosmologies
• Prospects in Constraining the Dark Energy Potential
• Dark effects in $f(R,P)$ gravity
• Viability of nonminimally coupled f (R) gravity
• Energy conditions in mimetic-$f(R)$ gravity
• Hamiltonian perturbation theory in f(R) gravity
• Gravitational Origin of Phantom Dark Energy and Late Cosmic Acceleration
• Transition from decelerated to accelerated cosmic expansion in braneworld universes
• Instability of gravitational baryogenesis with fermions
• Self-accelerating solutions of scalar-tensor gravity
• Averaging inhomogeneities in scalar-tensor cosmology
• Joint Analysis of Constraints on f(R) Parametrization from Recent Cosmological Observations
• Terrestrial Sagnac delay constraining modified gravity models
• Dynamical reconstruction of the $\Lambda$CDM model in hybrid metric-Palatini gravity
• Gravitational radiation from binary systems in $f(R)$ gravity: A semi-classical approach
• Reconstruction of the singularity-free $f(\mathcal{R})$ gravity via Raychaudhuri equations
• Gravitoelectromagnetism in metric f(R) and Brans-Dicke theories with a potential
• Testing theories of Gravity and Supergravity with inflation and observations of the cosmic microwave background
• The interaction of extended Bose-Einstein condensate dark matter with viscous $f(T,B)$ gravity
• Nonlinear anisotropy growth in Bianchi-I spacetime in metric $f(R)$ cosmology
• Constraints on a $f(R)$ gravity dark energy model with early scaling evolution
• Extended Bose-Einstein condensate dark matter in viscous Gauss-Bonnet gravity
• Matter really does matter, or Why $f(R,\mathrm{Matter})$ type theories are significant for gravitational physics and cosmology
• 1/R multidimensional gravity with form-fields: stabilization of extra dimensions, cosmic acceleration and domain walls
• A new $F(R)$-gravity model
• Strong and weak gravitational field in $R+{\mu }^4/R$ gravity
• A minimal set of invariants as a systematic approach to higher order gravity models: Physical and Cosmological Constraints
• A (varying power)-law modified gravity
• Cosmological singularity theorems for $f(R)$ gravity theories
• Gravitational instability in oscillating background
• Multicomponent solution in modified theory of gravity in the early universe
• On analytical solutions of f(R) modified gravity theories in FLRW cosmologies
• Dirac Cosmology and the Acceleration of the Contemporary Universe
• Quasilocal mass in scalar-tensor gravity: spherical symmetry
• The Bianchi type-V Dark Energy Cosmology in Self Interacting Brans Dicke Theory of Gravity
• The Galaxy Halo Connection in Modified Gravity Cosmologies: Environment Dependence of Galaxy Luminosity function
• Generalized Ghost Dark Energy in DGP Model
• Reconstruction of $f(R)$ lagrangian from a massive scalar field
• Does Dirac-Born-Infeld Modification Of Quadratic Theories Really Matter?
• Singularity problem in f(R) model with non-minimal coupling
• Entropy and Energy of Static Spherically Symmetric Black Hole in $f(R)$ theory
• Visible and Dark Matter Profiles in a Non-Minimally Coupled Model
• Pseudo generalized Ricci-recurrent spacetimes with certain applications to modified gravity
• Thawing F(R) cosmology
• Second law of thermodynamics in nonminimally coupled gravity
• Scalar-tensor extension of the $\Lambda$CDM model
• Cosmological constraints on $R^2$-corrected Appleby-Battye model
• Asymptotically Weyl-Invariant Gravity
• Curvature Singularity in f(R) Theories of Gravity
• Weak-lensing tunnel voids in simulated light cones: A new pipeline to investigate modified gravity and massive neutrinos signatures
• Palatini $f(\mathcal{R},{\mathcal{L}}_m,{\mathcal{R}}_{\mu \nu }{T}^{\mu \nu })$ gravity and its Born-Infeld semblance
• Maximal symmetry and metric-affine f(R) gravity
• Particle creation in a f(R) theory with cosmological constraints
• Consistency of $f(R)$ gravity models around solar polytropes
• Viability of Arctan Model of f(R) Gravity for Late-time Cosmology
• A New Exponential Gravity
• Cosmic Evolution with Early and Late Acceleration Inspired by Dual Nature of the Ricci Scalar Curvature
• A comprehensive analysis of the compact phase space for Hu-Sawicki $f(R)$ dark energy models including spatial curvature
• Cosmological Study in Myrzakulov $F(R,T)$ Quasi-dilaton Massive Gravity
• $f(R)$ Dual Theories of Quintessence : Expansion-Collapse Duality
• Scalar tachyonic instabilities in gravitational backgrounds: Existence and growth rate
• Forecast Analysis of Astrophysical Stochastic Gravitational Wave Background beyond general relativity: A Case Study on Brans-Dicke Gravity
• Mass decomposition of SLACS lens galaxies in Weyl conformal gravity
• Gravitational Collapse in Repulsive $R+{\mu }^4/R$ Gravity
• Study of Complexity Factor and Stability of Dynamical Systems in $f(G)$ Gravity
• Gravitational Forces on a Codimension-2 Brane
• Modified gravity with disappearing cosmological constant
• Asymptotic solutions in f(R)-gravity
• Logarithmic gravity model
• Recent Developments in Degenerate Higher Order Scalar Tensor Theories
• Thermodynamics of black hole in $D$-dimensional $f(R)$ theory
• Horizons and singularity in Clifton's spherical solution of f(R) vacuum
• Phantom Mimicry on the Normal Branch of a DGP-inspired Braneworld Scenario with Curvature Effect
• Tracking $f(R)$ cosmology
• Einstein Spaces Modeling Nonminimal Modified Gravity
• Impulsive gravitational waves of massless particles in extended theories of gravity
• Stability Conditions for the Horndeski Scalar Field Gravity Model
• Causal properties of nonlinear gravitational waves in modified gravity
• Constraining modified growth patterns with tomographic surveys
• The gyroscopic frequency of metric $f(R)$ and generalised Brans-Dicke theories: constraints from Gravity Probe-B
• Exact analytical vacuum solutions of $R^n$-gravity model depending on two variables
• Non linear equation of state and effective phantom divide in brane models
• Growth of matter perturbations for realistic $F(R)$ models
• Interior dynamics of neutral and charged black holes in f(R) gravity
• Focusing conditions for extended teleparallel gravity theories
• Cosmological Models in Modified f(R) Gravity Theories
• Is Asymptotically Weyl-Invariant Gravity Viable?
• Gravitational wave propagation in generalized hybrid metric-Palatini gravity
• Construction of f(R) Gravity Models
• Crossing Phantom Boundary in $f(R)$ Modified Gravity : Jordan Frame vs Einstein Frame
• Born-Infeld-$f(R)$ gravity with de Sitter solutions
• Nonstatic Reissner-Nordström metric in the perturbative $f(R)$ theory: Embedding in the background of the FLRW cosmology, uniqueness of solutions, the TOV equation
• Cosmological dynamics with modified induced gravity on the normal DGP branch
• Numerical solutions for the $f(R)$-Klein-Gordon system
• The Coincidence Problem in Holographic f(R) Gravity
• f(R) cosmological solutions with varying speed of light
• A Nonminimal Coupling Model and its Short-Range Solar System Impact
• Correspondence between modified gravity and 5D Ricci-flat cosmologies
• Notes on f(R) Theories of Gravity
• Study of Thermodynamic Quantities in Generalized Gravity Theories
• Coincidence Problem and Holographic $f(R)$ Gravity in Spatially flat and Curved Universes
• Loop-corrected scalar potentials and late-time acceleration in f(R) gravity
• Probing the Type 3 interacting dark-energy model using matter pairwise velocity
• Density perturbations in nonminimally coupled gravity: symptoms of Lagrangian density ambiguity
• Surface configuration in $R+{\mu }^4/R$ gravity
• On energy-momentum tensor for gravitational waves in $f(R)$ gravity
• New Lorentzian Taub-NUT and Euclidean Eguchi-Hanson Solutions in $f(R)$ gravity
• The evolution of universe in the two-scalar theory
• Maximum mass limit of strange stars in quadratic curvature-matter coupled gravity
• Stable massless scalar polarization of f(R) gravity
• Is Dark Energy an Effective Manifestation of Non-equilibrium Thermodynamics? -- Insights from DESI
• Matter growth in extended $\Lambda$CDM cosmology
• The Compactification Problems of Additional Dimensions in Multidimensional Cosmological Theories
• New effective theories of gravitation and their phenomenological consequences
• Radiation dominated era and the power of general relativity
• A Falsifiable Alternative to General Relativity
• Revised spherically symmetric solutions of $R+\epsilon /R$ gravity
• Globally Stable Dark Energy in $F(R)$ Gravity
• Metric Variation of the Energy-Momentum Tensor of a Perfect Fluid and Its Applications to Cosmology and Neutron Stars
• Extended Theories of Electrodynamics in $f(R)$ Gravity
• Constraints on the Modified Emergent Dark Energy Model Using DESI DR2 BAO