Cosmic Dynamics Beyond Einstein Theory: Mathematical Analysis with f(RT) Gravity

RK Mishra, N Jain - International Journal of Theoretical Physics, 2024 - Springer
In this communication, we investigate a space-time model characterized by the FLRW metric
with a perfect fluid within the context of the f (R, T) theory of gravity. Our approach involves …

The study of anisotropic perfect fluid cosmological models in f(RT) gravity

T Vinutha, VV Kuncham, SK Kolli - General Relativity and Gravitation, 2023 - Springer
In this paper, we have studied anisotropic axially symmetric perfect fluid cosmological model
in f (R, T) gravity. As proposed by Harko et al., by assuming the particular choice f (R, T)= f 1 …

The study of Kantowski-Sachs perfect fluid cosmological model in modified gravity

T Vinutha, K Niharika, KS Kavya - Astrophysics, 2023 - Springer
Kantowski-Sachs perfect fluid cosmological model is explored in modified gravity with
functional form f (R, T)= f 1 (R)+ f 2 (T) where R is Ricci scalar and T is the trace of …

Kantowski–Sachs perfect fluid cosmological model in - Gravity

T Vinutha, KV Vasavi, K Niharika… - Indian Journal of …, 2023 - Springer
In the present study, the Kantowski–Sachs perfect fluid cosmological model in modified
theory suggested by Harko et al. is obtained. In this paper, the functional form f (R, T)= f 1 …

[PDF][PDF] STABILITY ANALYSIS IN COSMOLOGICAL MODELS USING PERTURBATIVE METHODS IN f (R, T) THEORY

RK MISHRA, N JAIN - Romanian Journal of Physics, 2024 - rjp.nipne.ro
This study examines the stability of cosmological models through perturbation theory,
focusing on different formulations of the deceleration parameter (DP). By analysing the …

FRW cosmological models in presence of a perfect fluid within the framework of Saez-Ballester theory in five dimensional space time

J Daimary, R Roy Baruah - J. Math. Comput. Sci., 2022 - scik.org
In the framework of Saez-Ballester scalar-tensor theory of gravity, five-dimensional FRW
space-time is considered in the presence of perfect fluid. We employed a power law …