Dynamics of an Anisotropic Universe in $f(R,T)$ Theory

TL;DR

This paper investigates the evolution of an anisotropic universe within $f(R,T)$ gravity, constructing three models with power law expansion, and finds that the models can support both quintessence and phantom phases.

Contribution

It introduces three new anisotropic universe models in $f(R,T)$ gravity with power law expansion, analyzing their physical features and parameter constraints.

Findings

Models support quintessence and phantom phases.

Physical features are consistent with observational constraints.

Parameter analysis constrains the models effectively.

Abstract

Dynamics of an anisotropic universe is studied in $f(R,T)$ gravity using a rescaled functional $f(R,T)$. Three models have been constructed assuming a power law expansion of the universe. Physical features of the models are discussed. The model parameters are constrained from a dimensional analysis. It is found from the work that, the $BVI_h$ model in the modified gravity can favour quintessence and phantom phase.