A. Pradhan

activity

20212026

f (R, Σ, T)

Gravity: A Unified Approach Using OHD and SN Ia Data

17 citations · 57 across the 29 of their papers we have counts for

collaborators

32 papers

physics.gen-ph2026

Study of the dark energy models in f(Q, Lm) gravity in different formalisms

Vidhi Tayal, Shaily, Vimal Kumar +2

We study the late time cosmological evolution of the Universe in the framework of a flat Friedmann Lemaitre Robertson-Walker spacetime in f(Q,Lm) gravity. The cosmic dynamics of th…

gr-qc2026

Hu-Sawicki $f (R)$ 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 $Λ$ CDM continues to face several theoretical difficulties that keep alternative gravity…

gr-qc2026

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…

astro-ph.CO2026

Testing a Sign-Switch Cosmological Model with Curvature through Latest Planck 2018, DESI DR2 and PantheonPlus\&SH0ES Observational Data

Archana Dixit, Manish Yadav, Anirudh Pradhan +1

We investigate the spatial geometry of the Universe within the framework of a sign-switch dark energy scenario by extending the recently proposed $Λ_{s}$ CDM model to include a…

gr-qc2026

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 $f (R, T)$ black hole family sourced by an Euler--Heisenberg type non…

gr-qc2026

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…

gr-qc2026

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…

gr-qc2026

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…

gr-qc2026★ 2 cited

Testing Exponential $f (R)$ 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…

gr-qc2026

Particle Creation and Variable Generalized Chaplygin Gas in $F (R, Σ, T)$ 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…

gr-qc2026

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 $f (R, T)$ gravity by incorporating pressureless dark matter and the dark en…

gr-qc2026

Comparative Study of $f (T)$ 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 $f (T)$ gravity provide a geome…

physics.gen-ph2026

Alleviating the Hubble Tension with Logarithmic Dark Energy: Constraints on the $w_{l o g}$ CDM Model

Saurabh Verma, Archana Dixit, Anirudh Pradhan +1

Observational constraints are considered on a $w_{l o g}$ CDM model of the dark energy equation of state, $w_{d} (z) = w_{0} + w_{a} (\frac{l n ( 2 + z )}{1 + z} - ln 2)$ , using…

physics.gen-ph2026

Observational Constraints and Geometric Diagnostics of Barboza-Alcaniz and Logarithmic Dark Energy Parametrizations

Archana Dixit, Saurabh Verma, Anirudh Pradhan +1

This study investigates and compares two prominent two-dimensional dark energy (DE) parameterizations: Barboza-Alcaniz (BA) and Logarithmic forms by comparing them with a comprehen…

astro-ph.CO2025★ 6 cited

Constraints on Spatial Curvature and Dark Energy Dynamics in the $w$ CDM Model from DESI DR1 and DR2

Manish Yadav, Archana Dixit, M. S. Barak +1

In this study, we investigate the $w$ CDM dynamical dark energy model with spatial curvature utilizing the recently released DESI Collaboration data (DR1 and DR2) in conjunction wit…

gr-qc2025

Effective $Λ$ CDM model emerging from $f (Q, T)$ 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 $Λ$ CDM model emerging from the more general $f (Q, T)$ gravity theory under the special equation-of-state c…

gr-qc2025

Generalized Second Law and Thermodynamical Aspects of $f (Q, T)$ Gravity

Anirudh Pradhan, A. Husain, M. Zeyauddin +1

Late-time cosmic acceleration has motivated the exploration of various extensions of general relativity, among which $f (Q, T)$ gravity, based on the non-metricity scalar $…

astro-ph.CO2025★ 7 cited

Empirical Validation: Investigating the $Λ_{s}$ CDM Model with new DESI BAO Observations

Manish Yadav, Archana Dixit, Anirudh Pradhan +1

The $Λ$ CDM model has long served as the cornerstone of modern cosmology, offering an elegant and successful framework for interpreting a wide range of cosmological observations. Ho…

gr-qc2025

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 $C (t) = t + \int α (1 - a) d t + c_{1}$ ,…

gr-qc2025★ 1 cited

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…

gr-qc2025

Cosmological Analysis of $f (R, Σ, T)$ 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 $f (R, Σ, T)$ gravity, a modified theory that incorporates nonlinear matter-geometry coupling…

gr-qc2025

Dark Energy Phenomenology in a $f (R, Σ, T)$ Gravity Framework: $O_{m} (z)$ Parameterization Approach

N. Myrzakulov, Anirudh Pradhan, Anil Kumar Yadav +1

This study investigates the cosmological implications of $f (R, Σ, T)$ gravity by reconstructing the Hubble parameter from a logarithmic parameterization of the $O_{m} (z)$ diagnostic. O…

gr-qc2025

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…

gr-qc2025★ 17 cited

Cosmological Implications of $f (R, Σ, T)$ 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 $f (R, Σ, T)$ gravity, focusing on its potential to unify and extend current cosmolog…

Study of the dark energy models in f(Q, Lm) gravity in different formalisms

Hu-Sawicki f(R) Gravity in a Non-Flat Universe: Constraints from DESI-DR2, BBN, and Type Ia Supernovae

Horizon Response to Orbital Redistribution in Self Consistent Einstein--Vlasov Black Hole Environments

Testing a Sign-Switch Cosmological Model with Curvature through Latest Planck 2018, DESI DR2 and PantheonPlus\&SH0ES Observational Data

Kinematic Bounds on Charged Energy Extraction in the Purely Electric Branch of Euler--Heisenberg Type f(R,T) Black Holes

Charged Penrose Extraction in RN--AdS Black Holes with Dark Energy: Ergosphere Geometry and Rigorous Efficiency Bounds

Coupled Gravitoelectromagnetic Response of a Magnetically Supported Generalized Hayward Black Hole in Nonlinear Electrodynamics

Finite mass two throat wormholes: global light rings, branch resolved strong lensing, and scalar transmission

Testing Exponential f(R) Gravity with CMB, DESI-DR2, and Supernova Data

Particle Creation and Variable Generalized Chaplygin Gas in F(R,Σ,T) Gravity

Anisotropic Cosmology with interacting Dark Energy in f(R,T) Gravity: A Data-Constrained & independent Approach

Comparative Study of f(T) Gravity Models with Observational Constraints from \textit{OHD} and \textit{Pantheon+ datasets}

Alleviating the Hubble Tension with Logarithmic Dark Energy: Constraints on the wlog​CDM Model

Observational Constraints and Geometric Diagnostics of Barboza-Alcaniz and Logarithmic Dark Energy Parametrizations

Constraints on Spatial Curvature and Dark Energy Dynamics in the wCDM Model from DESI DR1 and DR2

Effective ΛCDM model emerging from f(Q,T) under a special EOS limit in symmetric cosmology with Bayesian and ANN observational constraints

Generalized Second Law and Thermodynamical Aspects of f(Q,T) Gravity

Empirical Validation: Investigating the Λs​CDM Model with new DESI BAO Observations

Cosmological Implications of a New Creation Field in Hoyle-Narlikar Gravity with Bulk Viscous Fluid

Dark Energy Behavior from Static Equation of State in Non-Minimally Coupled Gravity with Scalar Deformation

Cosmological Analysis of f(R,Σ,T) Gravity with EoS Parameterization

Dark Energy Phenomenology in a f(R,Σ,T) Gravity Framework: Om​(z) Parameterization Approach

A novel cosmic framework of interdependent dark matter and Holographic Dark Energy within the Bianchi type-V universe

Cosmological Implications of f(R,Σ,T) Gravity: A Unified Approach Using OHD and SN Ia Data

Hu-Sawicki $f (R)$ Gravity in a Non-Flat Universe: Constraints from DESI-DR2, BBN, and Type Ia Supernovae

Testing Exponential $f (R)$ Gravity with CMB, DESI-DR2, and Supernova Data

Particle Creation and Variable Generalized Chaplygin Gas in $F (R, Σ, T)$ Gravity

Comparative Study of $f (T)$ Gravity Models with Observational Constraints from \textit{OHD} and \textit{Pantheon+ datasets}

Alleviating the Hubble Tension with Logarithmic Dark Energy: Constraints on the $w_{l o g}$ CDM Model

Constraints on Spatial Curvature and Dark Energy Dynamics in the $w$ CDM Model from DESI DR1 and DR2

Effective $Λ$ CDM model emerging from $f (Q, T)$ under a special EOS limit in symmetric cosmology with Bayesian and ANN observational constraints

Generalized Second Law and Thermodynamical Aspects of $f (Q, T)$ Gravity

Empirical Validation: Investigating the $Λ_{s}$ CDM Model with new DESI BAO Observations

Cosmological Analysis of $f (R, Σ, T)$ Gravity with EoS Parameterization

Dark Energy Phenomenology in a $f (R, Σ, T)$ Gravity Framework: $O_{m} (z)$ Parameterization Approach

Cosmological Implications of $f (R, Σ, T)$ Gravity: A Unified Approach Using OHD and SN Ia Data