collaborators

13 papers

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…