Constraining anisotropic universe under f(R,T) theory of gravity
arxiv(2024)
摘要
We try to find the possibility of a Bianchi V universe in the modified
gravitational field theory of f(R,T). We have considered a Lagrangian model
in the connection between the trace of the energy-momentum tensor T and the
Ricci scalar R. In order to solve the field equations a power law for the
scaling factor was also considered. To make a comparison of the model
parameters with the observational data, we put constraints on the model under
the datasets of the Hubble parameter, Baryon Acoustic Oscillations, Pantheon,
joint datasets of Hubble parameter + Pantheon, and collective datasets of the
Hubble parameter + Baryon Acoustic Oscillations + Pantheon. The outcomes for
the Hubble parameter in the present epoch are reasonably acceptable, especially
since our estimation of this H_0 is remarkably consistent with various recent
Planck Collaboration studies that utilize the Λ-CDM model.
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