activity
20192024
most citedAccelerated Expansion of the Universe in Non-minimally Coupled Gravity

189 citations · 1.7k across the 34 of their papers we have counts for

collaborators

34 papers

gr-qc2024★ 25 cited

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…

gr-qc2023★ 64 cited

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…

physics.gen-ph2023★ 11 cited

gravity: From early to late-time cosmic acceleration

Surajit Das, Sanjay Mandal

In this article, we explore the comprehensive narrative of cosmic evolution within a cosmological framework by utilizing a novel form of gravity known as generalized symmetric tele…

gr-qc2023★ 30 cited

Constraining Gravity with Gravitational Baryogenesis

Sai Swagat Mishra, Sanjay Mandal, P. K. Sahoo

Gravitational baryogenesis is one of the mechanisms which help us to explore more about our early universe, especially baryon-anti-baryon asymmetry. As we know, modified theories o…

gr-qc2023★ 33 cited

Correction to Lagrangian for Bouncing Cosmologies in Gravity

Gaurav N. Gadbail, Ameya Kolhatkar, Sanjay Mandal +1

Symmetric teleparallel gravity offers to reformulate the gravitational formalism without the presence of curvature and torsion with the help of non-metricity tensors. Interestingly…

gr-qc2023★ 28 cited

Constraining viscous dark energy equation of state in gravity

Lakhan V. Jaybhaye, Raja Solanki, Sanjay Mandal +1

In this article, we attempt to describe cosmic late-time acceleration of the universe in the framework of gravity by using an effective equation of state when the accoun…

gr-qc2023★ 23 cited

Gravastar in the Framework of Symmetric Teleparallel Gravity

Sneha Pradhan, Sanjay Mandal, P. K. Sahoo

In the current research, we present a novel gravastar model based on the Mazur-Mottola (2004) method with an isotropic matter distribution in gravity. The gravastar, a hypot…

gr-qc2023★ 189 cited

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…

astro-ph.CO2023★ 31 cited

Tension in Torsion-based Modified Gravity

Sanjay Mandal, Oleksii Sokoliuk, Sai Swagat Mishra +1

The rising concern in the Hubble constant tension ( tension) of the cosmological models motivates the scientific community to search for alternative cosmological scenarios tha…

gr-qc2022★ 76 cited

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…

gr-qc2022★ 10 cited

Viscous fluid cosmology in symmetric teleparallel gravity

Raja Solanki, Dheeraj Singh Rana, Sanjay Mandal +1

In this manuscript, we analyze the viscous fluid cosmological model in the framework of recently proposed gravity by assuming three different forms of bulk viscosity coeffic…

gr-qc2022★ 36 cited

Constraining Anisotropic Cosmological Model in Gravity

N. S. Kavya, V. Venkatesha, Sanjay Mandal +1

The observational evidence regarding the present cosmological aspects tells us about the presence of very little anisotropy in the universe on a large scale. Here, in this paper, w…

gr-qc2022★ 70 cited

Reconstruction of CDM Universe in Gravity

Gaurav N. Gadbail, Sanjay Mandal, P. K. Sahoo

In this manuscript, we present a number of fascinating explicit reconstructions for the gravity from the background of Friedmann-Laîmatre-Robertson-Walker (FLRW) evolution h…

gr-qc2022★ 5 cited

Reply to "Comment on `Energy Conditions in gravity'"

Sanjay Mandal, P. K. Sahoo, J. R. L. Santos

Recently, Avik De and L.T. How claim that we have not followed an effective theory approach for gravity, missing relevant terms to compute the energy conditions [Phys. Rev.…

gr-qc2022★ 16 cited

Can gravity isotropize a pre-bounce contracting universe?

Simran Arora, Sanjay Mandal, Saikat Chakraborty +2

We address the important issue of isotropisation of a pre-bounce contracting phase in gravity, which would be relevant to construct any viable nonsingular bouncing scenario…

gr-qc2022★ 105 cited

Cosmology in gravity

Lakhan V. Jaybhaye, Raja Solanki, Sanjay Mandal +1

In this letter, we investigate the cosmic expansion scenario of the universe in the framework of gravity theory. We consider a non-linear model, specifically,…

gr-qc2022★ 43 cited

Generalised Ellis-Bronnikov Wormholes in Gravity

Oleksii Sokoliuk, Sanjay Mandal, P. K. Sahoo +1

In this manuscript, we construct generalized Ellis-Bronnikov wormholes in the context of modified theories of gravity. We consider that the matter driving the wormhole satis…

gr-qc2022★ 75 cited

Isotropization of locally rotationally symmetric Bianchi-I universe in -gravity

Avik De, Sanjay Mandal, J. T. Beh +2

Despite having the somewhat successful description of accelerated cosmology, the early evolution of the universe always challenges mankind. Our promising approach lies in a new cla…

gr-qc2022★ 35 cited

Energy Conditions in Non-minimally Coupled Gravity

P. K. Sahoo, Sanjay Mandal, Simran Arora

In today's scenario, going beyond Einstein's theory of gravity leads us to some more complete and modified gravity theories. One of them is the gravity in which is t…

gr-qc2022★ 50 cited

Accelerating expansion of the universe in modified symmetric teleparallel gravity

Raja Solanki, Avik De, Sanjay Mandal +1

The fundamental nature and origin of dark energy are one of the premier mysteries of theoretical physics. In General Relativity Theory, the cosmological constant is the simples…

physics.gen-ph2021★ 47 cited

A study of anisotropic spheres in gravity with quintessence field

Sanjay Mandal, G. Mustafa, Zinnat Hassan +1

This manuscript examines the compact stars in gravity , where non-metricity drives gravitational interactions. To achieve this goal, we consider a spherically symmetric…

gr-qc2021

Constraints on Energy Conditions in Gravity

Lakhan V. Jaybhaye, Sanjay Mandal, P. K. Sahoo

In this manuscript, we consider the extension of the Hilbert-Einstein action to analyze several interesting features of the theory. More specifically, the Lagrangian is repl…

gr-qc2021

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…

gr-qc2021★ 26 cited

How a projectively flat geometry regulates -gravity theory?

Tee-How Loo, Avik De, Sanjay Mandal +1

In the present paper we examine a projectively flat spacetime solution of -gravity theory. It is seen that once we deploy projective flatness in the geometry of the spacetime…