1 citations · 1 across the 12 of their papers we have counts for
14 papers
Viability of Big Bang Nucleosynthesis in Gravity
Kajal Phukan, Rajdeep Mazumdar, Kalyan Malakar +1
We examine the viability of Big Bang Nucleosynthesis (BBN) constraints in gravity, where the gravitational Lagrangian is an arbitrary function of the the Ricci scalar $R…
Cosmological Realization of Baryon Asymmetry in f(R, G_{μν}T^{μν}) Gravity
Kalyan Malakar, Rajdeep Mazumdar, Kalyan Bhuyan
This work investigates the mechanism of gravitational baryogenesis (GB) under the formalism of f(R, G_{μν}T^{μν}) gravity, where R denotes the Ricci scalar, G_{μν} is the Einstein…
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…
Exploring Rényi Entropic Cosmology Constrained by DESI DR2 BAO and Complementary Late-Time Observations
Rajdeep Mazumdar, Kalyan Malakar, Kalyan Bhuyan
We investigate the late-time cosmological viability of Rényi entropic cosmology (REC) by confronting its modified Friedmann dynamics with DESI DR2 BAO, cosmic chronometers, gravita…
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…
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…
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…
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…