17 citations · 57 across the 29 of their papers we have counts for
26 papers · 1 filter
Hu-Sawicki Gravity in a Non-Flat Universe: Constraints from DESI-DR2, BBN, and Type Ia Supernovae
Saurabh Verma, Manish Yadav, Archana Dixit +2
Late-time cosmic acceleration is conventionally ascribed to a cosmological constant, though CDM continues to face several theoretical difficulties that keep alternative gravity…
Horizon Response to Orbital Redistribution in Self Consistent Einstein--Vlasov Black Hole Environments
Anirudh Pradhan, K. Ghaderi, M. Zeyauddin +1
We study whether orbital redistribution in a self consistent spherical Einstein--Vlasov environment can change the asymptotic normalization of a black hole horizon while the horizo…
Kinematic Bounds on Charged Energy Extraction in the Purely Electric Branch of Euler--Heisenberg Type f(R,T) Black Holes
Anirudh Pradhan, K. Ghaderi, M. Zeyauddin
We derive and test kinematic upper bounds on charged energy extraction in the purely electric branch of a static black hole family sourced by an Euler--Heisenberg type non…
Charged Penrose Extraction in RN--AdS Black Holes with Dark Energy: Ergosphere Geometry and Rigorous Efficiency Bounds
Anirudh Pradhan, K. Ghaderi, M. Zeyauddin
We develop a quantitative framework for charge assisted Penrose extraction in Reissner--Nordström Anti-de Sitter black holes surrounded by a Kiselev type anisotropic dark energy se…
Coupled Gravitoelectromagnetic Response of a Magnetically Supported Generalized Hayward Black Hole in Nonlinear Electrodynamics
Anirudh Pradhan, K. Ghaderi, M. Zeyauddin +1
We construct the exterior coupled gravitational and electromagnetic response of a magnetically supported generalized Hayward black hole within a specified nonlinear electrodynamic…
Finite mass two throat wormholes: global light rings, branch resolved strong lensing, and scalar transmission
Anirudh Pradhan, K. Ghaderi, M. Zeyauddin +1
We introduce a static, horizonless, asymptotically flat two throat wormhole family in which one global metric determines the geometry, effective source, null dynamics, lensing, and…
Testing Exponential Gravity with CMB, DESI-DR2, and Supernova Data
Saurabh Verma, Archana Dixit, Anirudh Pradhan +1
One of the most popular competitors to the CDM paradigm as an explanation for the late-time acceleration of the universe is the modification of general relativity (GR), with models…
Particle Creation and Variable Generalized Chaplygin Gas in Gravity
N. Myrzakulov, S. H. Shekh, Anirudh Pradhan +1
In this work, we investigate the cosmological dynamics of a spatially flat Friedmann--Lemaître--Robertson--Walker Universe in the framework of generalized \( \mathcal{F}(\mathcal{R…
Anisotropic Cosmology with interacting Dark Energy in f(R,T) Gravity: A Data-Constrained & independent Approach
S. H. Shekh, N. Myrzakulov, Anirudh Pradhan +1
In this work, we investigate the cosmological dynamics of an anisotropic Universe within the framework of gravity by incorporating pressureless dark matter and the dark en…
Comparative Study of Gravity Models with Observational Constraints from \textit{OHD} and \textit{Pantheon+ datasets}
Anirudh Pradhan, S. A. Salve, V. B. Raut +1
The late-time acceleration of the universe remains one of the most significant open problems in modern cosmology. Modified gravity frameworks such as gravity provide a geome…
Effective CDM model emerging from under a special EOS limit in symmetric cosmology with Bayesian and ANN observational constraints
Anil Kumar Yadav, S. H. Shekh, N. Myrzakulov +3
In this work, we investigate the cosmological consequences of an effective CDM model emerging from the more general gravity theory under the special equation-of-state c…
Generalized Second Law and Thermodynamical Aspects of Gravity
Anirudh Pradhan, A. Husain, M. Zeyauddin +1
Late-time cosmic acceleration has motivated the exploration of various extensions of general relativity, among which gravity, based on the non-metricity scalar $…
Cosmological Implications of a New Creation Field in Hoyle-Narlikar Gravity with Bulk Viscous Fluid
Manish Yadav, Archana Dixit, Anirudh Pradhan +1
In this study, we present a comprehensive investigation of the Narlikar gravity model with bulk viscous fluid by the new foam of creation field ,…
Dark Energy Behavior from Static Equation of State in Non-Minimally Coupled Gravity with Scalar Deformation
N. Myrzakulov, S. H. Shekh, S. R. Bhoyar +1
In this study, we explore the cosmological implications of a modified gravity theory characterized by the function \( f(R, Σ, T) \), where \( R \) is the Ricci scalar, \( Σ\) repre…
Cosmological Analysis of Gravity with EoS Parameterization
S. H. Shekh, N. Myrzakulov, Anil Kumar Yadav +1
In this paper, we present a comprehensive cosmological analysis within the framework of gravity, a modified theory that incorporates nonlinear matter-geometry coupling…
Dark Energy Phenomenology in a Gravity Framework: Parameterization Approach
N. Myrzakulov, Anirudh Pradhan, Anil Kumar Yadav +1
This study investigates the cosmological implications of gravity by reconstructing the Hubble parameter from a logarithmic parameterization of the diagnostic. O…
A novel cosmic framework of interdependent dark matter and Holographic Dark Energy within the Bianchi type-V universe
Gunjan Varshney, Anirudh Pradhan, Nasr Ahmed +1
We study the anisotropic and homogeneous Bianchi type-V Universe with holographic dark energy (HDE) and interacting dark matter (DM). The solution for the field equations have been…
Cosmological Implications of Gravity: A Unified Approach Using OHD and SN Ia Data
N. Myrzakulov, S. H. Shekh, Anirudh Pradhan
This paper investigates the cosmological implications of the modified gravity framework known as gravity, focusing on its potential to unify and extend current cosmolog…
Dark Energy and Cosmic Evolution: A Study in f (R, T) Gravity
N. Myrzakulov, S. H. Shekh, Anirudh Pradhan +1
In the context of f(R, T) gravity theory for the flat Friedmann Lemaitre Robertson Walker (FLRW) model, the accelerating expansion of the universe is investigated using a specific…
An oscillating Rastall universe crossing the phantom divide line
Nasr Ahmed, Anirudh Pradhan, Archana Dixit
A cyclic flat universe with quintom behaviour and future big rip has been presented in the framework of Rastall gravity, which is an extension of the standard CDM model. The Hub…
Probing Dark Energy Properties in Gravity with FLRW Cosmological Models
N. Myrzakulov, Anirudh Pradhan, A. Dixit +1
This study delves into the cosmological implications of the modified gravity framework within the context of the FLRW spacetime which offers a dynamic alternative to the s…
Probing Dark Energy Properties with Barrow Holographic Model in f(Q, C) Gravity
N. Myrzakulov, S. H. Shekh, Anirudh Pradhan
Understanding the accelerating expansion of the universe remains one of the foremost challenges in modern cosmology. This study investigates Barrow Holographic Dark Energy (BHDE),…
Cosmological Evolution of Viscous Dark Energy in f(Q,C) Gravity: Two-Fluid Approach
N. Myrzakulov, Anirudh Pradhan, S. H. Shekh
In this paper, we study the cosmological evolution of a viscous dark energy model within the framework of gravity, utilizing a two-fluid approach. The model incorporates…
Exploring Phase Space Trajectories in CDM Cosmology with f(G) Gravity Modifications
N. Myrzakulov, Anirudh Pradhan, Archana Dixit +1
In this work, the cosmic solutions, particularly the well-known CDM model, are investigated in the framework of the Gauss-Bonnet gravity, where the gravitational action incorpor…