FRW universe in f(R,,T) gravity theory.

Shukla, Bhupendra Kumar; Tiwari, R. K.; Beesham, A.; Sofuoğlu, Değer

The observational evidence of f (R , , T) gravity in the FRW universe is the focus of the study. We provide a novel cosmological theory in this paper that was created within the f (R , , T) framework. We used the Markov Chain Monte Carlo (MCMC) method to limit the model parameters using the 31 Cosmic Chronometer points and 1048 Pantheon data points. We can efficiently explore the parameter space using this method. In order to compare our proposed f (R , , T) model to the well-known Λ CDM model, we take into account a parameterization of the Hubble parameter for solving the modified field equation. By studying these factors in the context of our new model, we get essential knowledge into the dynamics and evolution of the cosmos. State finder and Om Diagnostic, among other diagnostic tests, have been used to further analyze the behavior and consistency of our f (R , , T) model. These tests give us a greater understanding of our model's properties and their applicability to observational data.

MARKOV chain Monte Carlo; HUBBLE constant; GRAVITY; UNIVERSE

International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology, 2024, Vol 33, Issue 5/6, p1

0218-2718

Academic Journal

10.1142/S0218271824500263