The Hubble constant tension: current status and future perspectives through new cosmological probes

M Dainotti, B De Simone, G Montani… - arXiv preprint arXiv …, 2023 - arxiv.org
The Hubble constant ($ H_0 $) tension is one of the major open problems in modern
cosmology. This tension is the discrepancy, ranging from 4 to 6$\sigma $, between the …

A non-singular bouncing cosmology in f (R, T) gravity

JK Singh, A Singh, A Beesham, H Shabani - Annals of Physics, 2023 - Elsevier
We investigate a bounce realization in the framework of higher order curvature in f (R, T)
modified theory of gravity. We perform a detailed analysis of the cosmological parameters to …

Bouncing Cosmology in f (R, G) f(R,G) Gravity with Thermodynamic Analysis

Shaily, JK Singh, A Singh - Fortschritte der Physik, 2024 - Wiley Online Library
The evolution of the universe in a modified gravity theory that includes the terms Ricci scalar
(RR) and the Gauss‐Bonnet invariant (GG) is studied. The function f (R, G) f(R,G) is obtained …

The reconstruction of constant Jerk parameter with f (R, T) gravity in Bianchi-I spacetime

A Pradhan, G Goswami, S Krishnannair - The European Physical Journal …, 2023 - Springer
We have developed a Bianchi I cosmological model of the universe in f (R, T) gravity theory
which fit good with the present-day scenario of accelerating universe. The model displays …

Corrected holographic dark energy with power-law entropy and Hubble Horizon cut-off in FRW Universe

VK Bhardwaj, P Garg, A Pradhan… - Chinese Journal of …, 2022 - Elsevier
In the present work, we investigate the power-law entropy corrected holographic dark
energy (PLECHDE) model with Hubble horizon cutoff. We use 46 observational Hubble data …

Observational constraints on anisotropic cosmological model in Lyra's manifold

VK Bhardwaj, S Prakash - Chinese Journal of Physics, 2024 - Elsevier
In the present study, we have explored an axially symmetric Bianchi I universe with Lyra's
geometry. We assumed variable displacement vector as component of Lyra's geometry in …

The cosmological model in f (R, Tϕ) gravity with Scalar Field conformity

JK Singh, A Singh, J Jena - Chinese Journal of Physics, 2023 - Elsevier
The homogeneous and isotropic cosmological model in generalized f (R, T ϕ) theories
associated with the scalar field is discussed, which is motivated by the f (R, T) theory of …

Evolution of the Universe with quintessence model in Rastall gravity

JK Singh, A Singh, SG Ghosh, SD Maharaj - Physica Scripta, 2024 - iopscience.iop.org
We investigate the Universe's evolution within the framework of Rastall gravity, which is an
extension of the standard ΛCDM model. Utilizing a linear parametrization of the Equation of …

Qualitative study of anisotropic cosmologies with inhomogeneous equation of state

A Singh - Chinese Journal of Physics, 2024 - Elsevier
We examine the qualitative features of anisotropic models sourced by the fluid having an
inhomogeneous equation of state (EoS). In particular, we study the asymptotic behavior and …

Observation constraints on scalar field cosmological model in anisotropic universe

VK Bhardwaj, AK Yadav - arXiv preprint arXiv:2308.02864, 2023 - arxiv.org
In this study, we have explored a scalar field cosmological model in the axially symmetric
Bianchi type-I universe. In this study, our aim is to constrain the scalar field dark energy …