10 citations · 14 across the 14 of their papers we have counts for
16 papers
From Big Bang Nucleosynthesis to Late-Time Acceleration in Gravity
Rajdeep Mazumdar, Kalyan Malakar, Kalyan Bhuyan
We perform a comprehensive investigation of the early-to-late time cosmic evolution within the framework of gravity, characterized by a non-minimal coupling between non-…
Viability of Big Bang Nucleosynthesis in Some Generalized Horizon Entropies
Kajal Phukan, Rajdeep Mazumdar, Kalyan Malakar +1
In this work, we investigate the viability of some cosmological models derived from generalized horizon entropies, using Big Bang Nucleosynthesis (BBN) constraints. By analyzing th…
Dynamics of Late time cosmology in Gravity with Constraints from DESI DR2 BAO Data
Rajdeep Mazumdar, Kalyan Malakar, Kalyan Bhuyan
We investigate late-time cosmology in the context of modified gravity, considering a non-linear model where, , , , and are some…
Fractional Holographic Dark Energy Driven Reconstruction of Gravity and its Cosmological Implications
Rajdeep Mazumdar, Kalyan Malakar, Kalyan Bhuyan
In order to explain the late-time acceleration of the Universe, we present a reconstructed version of the gravity theory in this work, which is inspired by the integrating t…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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 …