Accelerating Universe scenario in anisotropic $f\left(Q\right)$ cosmology

Abstract

In this paper, we investigate the exact solution of an anisotropic space-time in the context of $f(Q)$ gravity, where $f\left(Q\right)$ is the arbitrary function of the non-metricity scalar $Q$. Here, we consider a specific power-law form as $f\left(Q\right)=\alpha Q^{n+1}+\beta$, where $\alpha$, $\beta$, and $n$ are free model parameters. Using power-law cosmology ($a\left(t\right)\propto t^m$), we analyze the physical behavior of cosmological parameters such as the energy density, pressure, EoS parameter, skewness parameter. Further, we validated the model with energy conditions and found that our $f\left(Q\right)$\ cosmological model behaves like the quintessence model in the present and CDM in the future.

Minor revision in CJPHY. arXiv admin note: text overlap with arXiv:2208.08877

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• Cosmological constraints on dark energy in $f(Q)$ gravity: A parametrized perspective
• Late-time cosmology in $f(Q,L_m)$ gravity: Analytical solutions and observational fits
• A New $Om(z)$ Diagnostic of Dark Energy in General Relativity Theory
• Constrained evolution of effective equation of state parameter in non-linear $f(R,L_m)$ dark energy model: Insights from Bayesian analysis of cosmic chronometers and Pantheon samples
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• Observational analysis of late-time acceleration in $f(Q,L_m)$ gravity
• Exploring accelerated expansion in the universe: A study of $f(Q,T)$ gravity with parameterized EoS and cosmological constraints
• Anisotropic Universe in $f(Q,T)$ gravity, a novel study
• Constraints on $f(Q)$ logarithmic model using gravitational wave standard sirens
• Constraints on anisotropic properties of the universe in $f(Q,T)$ gravity theory
• Observational constraints on a generalized equation of state model
• A new $f(Q)$ cosmological model with $H(z)$ quadratic expansion
• Quintessence-like features in the late-time cosmological evolution of $f(Q)$ symmetric teleparallel gravity
• Observational Constraints on Hybrid Scale Factor in f(Q,T) Gravity with Anisotropic Space-Time
• Modified cosmology in $f(Q,L_m)$ gravity
• Bouncing behavior in $f(R,L_m)$ gravity: Phantom crossing and energy conditions
• Signature flips in time-varying $\Lambda (t)$ cosmological models with observational data
• Energy conditions in $f(Q,L_m)$ gravity
• Scalar field dark energy: Insights into cosmological evolution and black hole accretion
• Impact of dark energy on the equation of state in light of the latest cosmological data
• Quintessence like behavior of symmetric teleparallel dark energy: Linear and nonlinear model
• Cosmic expansion beyond $\Lambda$CDM: Investigating power-law and logarithmic corrections