Cosmological model with time varying deceleration parameter in $F(R,G)$ gravity

Abstract

In this paper, we study the dynamical behaviour of the Universe in the $F(R,G)$ theory of gravity, where $R$ and $G$ respectively denote the Ricci scalar and Gauss-Bonnet invariant. Our wide analysis encompasses the energy conditions, cosmographic parameters, $Om(z)$ diagnostic, stability and the viability of reconstructing the referred model through a scalar field formalism. The model obtained here shows the quintessence like behaviour at late times.

arXiv comment11 pages, 9 figures. Accepted version in Physica Scripta

References in corpus (53)

• Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant
• Dynamics of dark energy
• The Cosmological Constant and Dark Energy
• f(R) Theories Of Gravity
• Unified cosmic history in modified gravity: from F(R) theory to Lorentz non-invariant models
• f(R) theories
• Extended Theories of Gravity
• The Cosmological Constant
• A 2.4% Determination of the Local Value of the Hubble Constant
• Dark Energy and the Accelerating Universe
• Exploring the Expanding Universe and Dark Energy using the Statefinder Diagnostic
• Everything You Always Wanted To Know About The Cosmological Constant Problem (But Were Afraid To Ask)
• Dark Energy
• Two new diagnostics of dark energy
• 1/R gravity and Scalar-Tensor Gravity
• Milky Way Cepheid Standards for Measuring Cosmic Distances and Application to Gaia DR2: Implications for the Hubble Constant
• Solar System constraints to general f(R) gravity
• Limit to General Relativity in f(R) theories of gravity
• Averaged Energy Conditions and Quantum Inequalities
• Cosmological inflation in $F(R,\mathcal{G})$ gravity
• LambdaCDM epoch reconstruction from F(R,G) and modified Gauss-Bonnet gravities
• Einstein-Gauss-Bonnet traversable wormholes satisfying the weak energy condition
• A Singularity Problem with f(R) Dark Energy
• Relativistic stars in f(R) gravity, and absence thereof
• The evolution of density perturbations in f(R) gravity
• Collapsing spherical stars in f(R) gravity
• On the stability of the cosmological solutions in f(R,G) gravity
• Stability of the Einstein static universe in f(R) gravity
• Dynamics of Inflation and Dark Energy from $F(R,\mathcal{G})$ Gravity
• Null tests of the cosmological constant using supernovae
• Stability of Schwarzschild-like solutions in f(R,G) gravity models
• Validation of Energy Conditions in Wormhole Geometry within Viable $f(R)$ Gravity
• Can higher curvature corrections cure the singularity problem in f(R) gravity?
• Traversable Wormholes in $R+\alpha R^n$ Gravity
• Is there evidence for dark energy evolution?
• What are $Om{h}^2(z_1,z_2)$ and $Om(z_1,z_2)$ diagnostics telling us in light of $H(z)$ data?
• Observational Evidence of the Accelerated Expansion of the Universe
• Wormhole Modeling Supported by Non-Exotic Matter
• Anisotropic dark energy model with a hybrid scale factor
• Stability analysis for cosmological models in $f(R)$ gravity using dynamical system analysis
• Dynamical analysis on $f(R,\mathcal{G})$ cosmology
• Cosmological models with a hybrid scale factor in an extended gravity theory
• Model parameters in the context of late time cosmic acceleration in $f(Q,T)$ gravity
• What is parameterized $Om(z)$ diagnostics telling us in light of recent observations?
• Evidence for cosmic acceleration with next-generation surveys: A model-independent approach
• Stability analysis of cosmological models through Liapunov's method
• Accelerating models with a hybrid scale factor in extended gravity
• Strongest constraint in $f(R)=R+\alpha R^2$ gravity: stellar stability
• Spherically symmetric solution of $f(R,\mathcal{G})$ gravity at low energy
• Cosmological perturbations in $F(R)$ gravity
• Energy conditions bounds and supernovae data
• Testing dark energy models with $H(z)$ data
• Reconstruction of energy conditions from observations and implications for extended theories of gravity

Cited by in corpus (5)

• Finite-time Cosmological Singularities and the Possible Fate of the Universe
• An Axially Symmetric Transitioning models with Observational Constraints
• The Reconstruction of Constant Jerk Parameter with $f(R,T)$ Gravity
• The Fate of the Universe Evolution in the Quadratic Form of Ricci-Gauss-Bonnet Cosmology
• Late-Time Cosmic Acceleration in Ricci-Gauss-Bonnet Gravity via Gradient Descent Optimization