activity
20242026
most citedThermodynamics and Null Geodesics of a Schwarzschild Black Hole Surrounded by a Dehnen Type Dark Matter Halo

50 citations · 71 across the 18 of their papers we have counts for

collaborators

19 papers

gr-qc2026

Astrophysical Signature and Optical Appearance of Weyl--Corrected Einstein--Maxwell Black Holes

Hassan Hassanabadi, Mrinnoy M. Gohain, Kalyan Bhuyan +1

In this work, we investigate the physics of charged black holes modified by Weyl corrections, which emerge from the non-minimal coupling between spacetime curvature and electromagn…

gr-qc2025

Viability Constraints on Baryogenesis in f (R, Lm, T) Gravity

Kalyan Malakar, Rajdeep Mazumdar, Mrinnoy M Gohain +1

Our study explores gravitational baryogenesis in the context of f(R, Lm, T) gravity, where R denotes the Ricci scalar, Lm represents the Lagrangian density of the matter field, and…

astro-ph.CO2025

Investigating Optical and Ring-Down Gravitational Wave Properties of a Rotating Black Hole in a Dehnen Galactic Dark Matter Halo

Mrinnoy M. Gohain, Dhruba Jyoti Gogoi, Kalyan Bhuyan +1

We present a comprehensive study of the optical and dynamical properties of a rotating black hole immersed in a Dehnen-type galactic dark matter halo, modeled by a double…

gr-qc2025

Constraint on Symmetric Teleparallel Gravity with Different Dark energy Parametrizations from DESI DR2 BAO Data

Rajdeep Mazumdar, Mrinnoy M. Gohain, Kalyan Bhuyan

We investigate the cosmological viability of symmetric teleparallel gravity, specifically the gravity model with a power-law form , in combination with two wide…

astro-ph.CO2025

New Agegraphic Dark Energy Driven Reconstruction of \boldmath{} Gravity and its Cosmological Implications

Rajdeep Mazumdar, Kalyan Malakar, Mrinnoy M. Gohain +1

In this work, we perform reconstruction of \( f(Q) \) gravity inspired by the New Agegraphic Dark Energy (NADE) model, aiming to account for the Universe's late time acceleration w…

gr-qc2025

Gravitational Baryogenesis Constraints on Nojiri-Odintsov Gravity

Kalyan Malakar, Mrinnoy M Gohain, Kalyan Bhuyan

This paper focuses on exploring the imbalance between matter and antimatter via the gravitational baryogenesis mechanism within the framework of Nojiri-Odintsov gravity mode…

gr-qc2025

Dark Matter Surrounded Quartic Square-root Horndeski Black Hole: Thermodynamics, Optical Properties and Quasinormal Oscillations

Mrinnoy M. Gohain, Kalyan Bhuyan

In this work, we study a special form of Horndeski solutions, viz. quartic "square-root" Horndeski black hole immersed in a perfect-fluid dark-matter halo, by examining its thermod…

gr-qc2025

Unified Non-Singular Cosmology with Late-Time Acceleration through a Novel Parametrization of Bulk Viscosity Coefficient

Rajdeep Mazumdar, Mrinnoy M. Gohain, Kalyan Bhuyan

This work explores the influence of viscous fluids on cosmological dynamics within the framework of General Relativity. We introduce a novel time-dependent parametrization for the…

gr-qc2025

Modeling a Non-Singular Universe with Late-Time Acceleration through a Novel Inhomogeneous Barotropic Equation of State

Rajdeep Mazumdar, Mrinnoy M. Gohain, Kalyan Bhuyan

In this study, we investigated the effects of incorporating barotropic fluids on cosmological solutions within the general relativity (GR) framework. We proposed a modified version…

gr-qc2025★ 1 cited

Dynamics of Geodesics in Non-linear Electrodynamics Corrected Black Hole and Shadows of its Rotating Analogue

Hari Prasad Saikia, Mrinnoy M. Gohain, Kalyan Bhuyan

We study the nature of particle geodesics around a non-linear electrodynamic black hole (NLED-BH) inspired by the confinement of a heavy quark-antiquark system, which reduces to Ma…

gr-qc2025

Signatures of NED on Quasi periodic Oscillations of a Magnetically Charged Black Hole

Bidyut Hazarika, Mrinnoy M. Gohain, Prabwal Phukon

In this work, we explore the influence of nonlinear electrodynamics (NED) on the quasi-periodic oscillations (QPOs) of a magnetic charged black hole by analyzing the motion of test…

hep-th2025★ 2 cited

Shadows of a Non-Commutative Black Hole under the Influence of a Magnetized Plasma

Mrinnoy M. Gohain, Kalyan Bhuyan, Paragjyoti Chutia

We investigate the properties of the shadow cast by a black hole (BH) in a non-commutative spacetime surrounded by a plasma medium. BHs in a plasma environment can exhibit complex…

gr-qc2024

Frolov Black Hole Surrounded by Quintessence - II: Quasinormal Modes, Greybody Factors, Deflection Angle and Chaos Bound

Mrinnoy M. Gohain, Kalyan Bhuyan, Hari Prasad Saikia

In this work, we have examined the scalar quasinormal modes, greybody factors, weak gravitational lensing, and the chaos bound of a Frolov black hole surrounded by a quintessence f…

gr-qc2024★ 10 cited

Frolov Black Hole Surrounded by Quintessence -- I: Thermodynamics, Geodesics and Shadows

Mrinnoy M. Gohain, Kalyan Bhuyan, Rajnandini Borgohain +3

The Frolov black hole (BH) is a charged extension of the Hayward BH, having regularity at the central point and an asymptotically Schwarzschild form for large values of …

gr-qc2024

Stability of the Einstein Static Universe in Zero-Point Length Cosmology with Topological Defects

Kalyan Bhuyan, Mrinnoy M. Gohain

Recently, zero-point length cosmology has shown some positive insights into some non-singular aspects of the early Universe. In addition, topological defects are known to play a si…

gr-qc2024

Cosmological Bounce Scenario with a Novel Parametrization of Bulk Viscosity

Rajdeep Mazumdar, Mrinnoy M. Gohain, Kalyan Bhuyan

In this work, we have studied how incorporating viscous fluids leads to exact bounce cosmological solutions in general relativity (GR) framework. Specifically, we propose a novel p…

gr-qc2024★ 50 cited

Thermodynamics and Null Geodesics of a Schwarzschild Black Hole Surrounded by a Dehnen Type Dark Matter Halo

Mrinnoy M. Gohain, Prabwal Phukon, Kalyan Bhuyan

In this work, we derive a novel black hole solution surrounded by a Dehnen-(1,4,0) type dark matter halo by embedding a Schwarzschild black hole within the halo, constituting a com…

gr-qc2024★ 5 cited

Emergent Cosmology in 4D Einstein Gauss Bonnet Theory of Gravity

Mrinnoy M. Gohain, Kalyan Bhuyan

In this paper, in an FLRW background and a perfect fluid equation of state, we explore the possibility of the realization of an emergent scenario in a 4D regularized extension of E…

gr-qc2024★ 3 cited

Wormhole Formation with Gravitational Particle Creation Mechanism

Mrinnoy M. Gohain, Kalyan Bhuyan, Chayanika Chetia

We explore the possibility of formation of a traversable wormhole in General Relativity supported by particle creation mechanism. The repulsive back-reaction pressure generated thr…