output
20102026
most citedThe Astropy Project: Building an inclusive, open-science project and status of the v2.0 core package

7.7k citations

Showing gr-qcShow all

21 papers · 1 filter

gr-qc2024★ 3 cited

Gravitational Lensing of Dark Energy Models and CDM Using Observational data in Loop Quantum Cosmology

Rownak Kundu, Ujjal Debnath, Himanshu Chaudhary +1

This paper investigates the accelerated cosmic expansion in the late Universe by examining two dark energy models, viscous modified Chaplygin gas (VsMCG) and variable modified Chap…

gr-qc2023★ 43 cited

Observational Constraints and Cosmological Implications of Scalar-Tensor Gravity

Amine Bouali, Himanshu Chaudhary, Tiberiu Harko +3

Recently, the scalar-tensor representation of gravity was used to explore gravitationally induced particle production/annihilation. Using the framework of irreversible th…

gr-qc2023★ 3 cited

Viscous fluid dynamics with decaying vacuum energy density

C. P. Singh, Vinita Khatri

In this work, we investigate the dynamics of bulk viscous models with decaying vacuum energy density (VED) in a spatially homogeneous and isotropic flat Friedmann-Lemaître- Roberts…

gr-qc2023★ 6 cited

Addressing the Tension using Late-Time Observational Measurements in a Novel deceleration Parametrization

Himanshu Chaudhary, Ujjal Debnath, G. Mustafa +2

This paper introduces a novel cosmological model aimed at probing the accelerated expansion of the late Universe through a unique parametrization of the deceleration parameter. We…

gr-qc2023★ 14 cited

Cosmological Tests of Dark Energy Model in FRW Universe

Himanshu Chaudhary, Amine Bouali, Niyaz Uddin Molla +2

This research article presents a new cosmological model formulated within the framework, focusing on the observational signatures and parameter constraints of the model.…

gr-qc2023★ 29 cited

Data Analysis of three parameter models of deceleration parameter in FRW Universe

Amine Bouali, Himanshu Chaudhary, Ujjal Debnath +2

Constraining the dark energy deceleration parameter is one of the fascinating topics in the recent cosmological paradigm. This work aims to reconstruct the dark energy using parame…