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20232026
most citedIs Dark Energy Dynamical in the DESI Era? A Critical Review

29 citations · 87 across the 21 of their papers we have counts for

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10 papers · 1 filter

gr-qc2026

Equatorial Periodic Orbits and Gravitational Wave Phenomenology around Spherically-symmetric vacuum solution in Freund-Nambu scalar-tensor gravity

Dhruba Jyoti Gogoi, Jyatsnasree Bora, Himanshu Chaudhary +2

We investigate test particle dynamics and gravitational wave (GW) phenomenology in an exact spherically symmetric vacuum solution of Freund - Nambu scalar - tensor gravity. This fr…

gr-qc2025

Is the CDM Model in Crisis?

Himanshu Chaudhary, Salvatore Capozziello, Subhrat Praharaj +2

We present strong evidence for dynamical dark energy that challenges the standard CDM model. Several dark energy scenarios are explored, including CDM, logarithmic, expo…

gr-qc2025★ 1 cited

Compact Objects in 4D Einstein Gauss Bonnet Gravity A Data Based Perspective

Puja Mukherjee, Himanshu Chaudhary, Ujjal Debnath +1

Cosmic evolution is the most sensational topic among researchers of modern cosmology. This article explores cosmic evolution in 4D Einstein Gauss Bonnet gravity, focusing on mass a…

gr-qc2025

f(R, , T) Gravity: Cosmological Implications and Dynamical System Analysis

Ratul Mandal, Himanshu Chaudhary, Tiberiu Harko +2

We consider the cosmological implications of a four-dimensional extension of the Gauss-Bonnet gravity, where is the Gauss-Bonnet topological invariant, in which the Eins…

gr-qc2024★ 1 cited

How parameter constraining can influence the mass accretion process of a Black Hole in the Generalized Rastall Gravity Theory ?

Puja Mukherjee, Ujjal Debnath, Himanshu Chaudhary +1

Black holes, one of the greatest enigmas of our Universe, are challenging to decipher. This work is dedicated to observing the changes in the mass of a non-singular black hole with…

gr-qc2024

Shadows and Strong Gravitational Lensing Around Black Hole-like Compact Object in Quadratic Gravity

Somi Aktar, Niyaz Uddin Molla, Farook Rahaman +1

We investigate the astrophysical consequences of black holes in quadratic gravity, characterized by the parameters , , and , in addition to the black hole mass…

gr-qc2024

The estimation of parameters of generalized cosmic Chaplygin gas and viscous modified Chaplygin gas and Accretions around Black Hole in the background of Einstein-Aether gravity

Puja Mukherjee, Ujjal Debnath, Himanshu Chaudhary +1

In this paper, we have investigated the phenomenon of accelerated cosmic expansion in the late universe and the mass accretion process of a 4-dimensional Einstein-Aether black hole…

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★ 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★ 1 cited

Constraints on the parameters of modified Chaplygin-Jacobi and modified Chaplygin-Abel gases in gravity

Himanshu Chaudhary, Ujjal Debnath, Tanusree Roy +3

In this study, we investigate two dark energy models, MCJG and MCAG, in the context of gravity within a non-flat FLRW Universe. Our analysis considers radiation, dark matter…