189 citations · 893 across the 20 of their papers we have counts for
20 papers
Reconstruction of the scalar field potential in nonmetricity gravity through Gaussian processes
Gaurav N. Gadbail, Sanjay Mandal, P. K. Sahoo +1
The accelerated expansion of the universe has been widely confirmed, posing challenges to the standard CDM model, particularly the cosmological coincidence problem. This has mot…
Modeling and Analyzing Stability of Hybrid Stars within Gravity
Piyali Bhar, M. R. Shahzad, Sanjay Mandal +1
This study uses the Krori-Barua type metric to represent hybrid stars within the theory of gravity. We postulate that the hybrid star also contains strange quark matter in a…
Cosmology in energy-momentum squared symmetric teleparallel gravity
Aaqid Bhat, P. K. Sahoo
In this letter, we explore the gravity theory, building upon the foundations laid by the and gravity theories. Here, represents non-metricit…
Bulk viscous cosmological model in modified gravity
Raja Solanki, Aaqid Bhat, P. K. Sahoo
This article explores the impact of bulk viscosity on understanding the universe's accelerated expansion within the context of modified gravity, which is an exte…
Extended Bose-Einstein condensate dark matter in gravity
Aaqid Bhat, Raja Solanki, P. K. Sahoo
In this article, we attempt to explore the dark sector of the universe i.e. dark matter and dark energy, where the dark energy components are related to the modified Lagrang…
Bouncing cosmological models in gravity
Lakhan V. Jaybhaye, Raja Solanki, P. K. Sahoo
This article explores matter bounce non-singular cosmology in gravity. We consider two non-linear functional forms, specifically, $f(R,L_m) = \frac{R}{2} + λR…
Modified gravity models and their cosmological consequences
Gaurav N. Gadbail, P. K. Sahoo
In this work, we consider three different models, such as power-law, exponential, and logarithmic, to study which model better mimics CDM evolution theoretically. Hencefo…
Gaussian Process Approach for Model-Independent Reconstruction of Gravity with Direct Hubble Measurements
Gaurav N. Gadbail, Sanjay Mandal, P. K. Sahoo
The increase of discrepancy in the standard procedure to choose the arbitrary functional form of the Lagrangian motivates us to solve this issue in modified theories of grav…
Study of charged gravastar model in gravity
Debasmita Mohanty, Sayantan Ghosh, P. K. Sahoo
In recent days gravastar has been a very lucrative alternative to black holes, as it does not suffer from the singularity problem as well and it is based on sound physical grounds.…
Phase-space analysis of the viscous fluid cosmological models in the coincident gravity
Dheeraj Singh Rana, Raja Solanki, P. K. Sahoo
In this article, we consider a newly proposed parameterization of the viscosity coefficient , specifically , where withi…
Slow-roll inflation in modified gravity
Aaqid Bhat, Sanjay Mandal, P. K. Sahoo
In this article, we explore the concept of cosmological inflation within the framework of the theory of gravity, where is a general function of the Torsion…
Cosmological observational constraints on the power law type modified gravity theory
Sanjay Mandal, Sneha Pradhan, P. K. Sahoo +1
In modern cosmology, the curiosity of ultimately understanding the nature of the dark energy controlling the recent acceleration of the Universe motivates us to explore its propert…
Dynamical system analysis of scalar field cosmology in coincident gravity
Sayantan Ghosh, Raja Solanki, P. K. Sahoo
In this article, we investigate scalar field cosmology in the coincident gravity formalism. We calculate the motion equations of gravity under the flat Friedmann-Lema…
Statistical and Observation Comparison of Weyl-Type Models with the CDM Paradigm
Gaurav N. Gadbail, Himanshu Chaudhary, Amine Bouali +1
We study the gravity in the framework of Weyl geometry (known as Weyl-type gravity), where denotes the non-metricity scalar, and denotes the energy-moment…
Accelerated Expansion of the Universe in Non-minimally Coupled Gravity
Sanjay Mandal
The accelerated expansion of the universe is the most debatable cosmological scenario in the last two decades. Looking for the proper explanation of this scenario, researchers have…
Paramerization of deceleration parameter in gravity
Gaurav N. Gadbail, Sanjay Mandal, P. K. Sahoo
In this article, we investigate the modified symmetric teleparallel gravity or gravity, where is the non-metricity, to study the evolutionary history of the universe by…
Constraint on the equation of state parameter () in non-minimally coupled gravity
Sanjay Mandal, P. K. Sahoo
We study observational constraints on the modified symmetric teleparallel gravity, the non-metricity gravity, which reproduces background expansion of the universe. For this…
Cosmic acceleration with bulk viscosity in modified gravity
Raja Solanki, S. K. J. Pacif, Abhishek Parida +1
In this article, we have investigated the role of bulk viscosity to study the accelerated expansion of the universe in the framework of modified gravity. The gravitational a…
Cosmography in gravity
Sanjay Mandal, Deng Wang, P. K. Sahoo
Cosmography is an ideal tool to investigate the cosmic expansion history of the Universe in a model-independent way. The equations of motion in modified theories of gravity are usu…
Wormhole model with a hybrid shape function in f(R,T) gravity
Parbati Sahoo, Sanjay Mandal, P. K. Sahoo
In the present article we propose a new hybrid shape function for wormhole (WH)s in the modified gravity. The proposed shape function satisfied the conditions of WH geomet…