75 citations · 881 across the 51 of their papers we have counts for
17 papers · 1 filter
Quasinormal Modes of Black holes in the generalized Schwarzschild-de Sitter solution of gravity
Dhruba Jyoti Gogoi, Himanshu Chaudhary, Tiberiu Harko
We analyze scalar, vector, and {axial} tensor perturbations in a Schwarzschild-type static spherically symmetric solution of modified gravity. This solution differs from the…
Equatorial Periodic Orbits and Gravitational Wave Signatures in Weyl Geometric Gravity Black Holes
Dhruba Jyoti Gogoi, Himanshu Chaudhary, Tiberiu Harko
Weyl geometric gravity theory is a gravitational theory with Lagrangian density constructed from the square of the Weyl curvature scalar and the strength of the Weyl vector. The th…
Dynamical Stability and Quasinormal Modes of Casimir Wormholes in dRGT Massive Gravity
Piyali Bhar, Dhruba Jyoti Gogoi, A. Errehymy
This paper investigates static, spherically symmetric traversable wormholes supported by Casimir energy within de Rham-Gabadadze-Tolley (dRGT) massive gravity. By deriving the exac…
Testing the Anton-Schmidt dark energy model with the DESI DR2 measurements
Himanshu Chaudhary, Salvatore Capozziello, Dhruba Jyoti Gogoi +1
We present a comparative cosmological analysis of the Anton-Schmidt, CDM, and CPL models using baryon acoustic oscillation measurements from the Dark Energy Spectroscopic Instru…
Quantum-Corrected Thermodynamics and Phase Structure of AdS Euler-Heisenberg Black Hole
Siddhartha Sankar Borah, Dhruba Jyoti Gogoi, Kalyan Bhuyan
We investigate the thermodynamic behaviour of an AdS black hole arising from nonlinear electrodynamics-corrected gravity, incorporating quantum effects through thermal fluctuations…
Constraints on the Modified Emergent Dark Energy Model Using DESI DR2 BAO
Himanshu Chaudhary, Dhruba Jyoti Gogoi, Salvatore Capozziello +1
In this work, we investigate the modified emergent dark energy (MEDE) model using baryon acoustic oscillation measurements from the Dark Energy Spectroscopic Instrument Data Releas…
Geodesic structure, eikonal quasinormal modes and thermodynamic properties of a Schwarzschild-de Sitter-like black hole with global monopole in Bumblebee gravity
Irengbam Roshila Devi, Yenshembam Priyobarta Singh, Dhruba Jyoti Gogoi +1
We investigate the geodesic dynamics, eikonal quasinormal modes (QNMs), and extended phase space thermodynamics of a Schwarzschild-de Sitter-like black hole coupled with a global m…
Conformal Killing Gravity: New Constraints from DESI DR2 BAO datasets
Himanshu Chaudhary, Salvatore Capozziello, Carlo Alberto Mantica +3
We investigate a geometric approach referred to as the Conformal Killing Gravity (CKG), in which the dark energy sector emerges naturally from the conformal Killing symmetry of the…
No preference for generalized emergent dark energy from current cosmological data
Vipin Kumar Sharma, Himanshu Chaudhary, Salvatore Capozziello +2
In this work, we revisit the generalized emergent dark energy model by confronting it with DESI DR2 baryon acoustic oscillation measurements, in combination with joint CMB data fro…
Multi-Spin Perturbations, Thermodynamics, and Observational Signatures of Reissner-Nordstrom Black Holes in Bumblebee Gravity
Jayasri Choudhury, Yenshembam Priyobarta Singh, Dhruba Jyoti Gogoi +1
In this paper, we present a comprehensive investigation into the dynamical and thermodynamic properties of the charged Reissner-Nordström (RN) black hole (BH) in the bumblebee grav…
Joule-Thomson Effect and Geodesic Structure of Charged AdS Black Holes in f(R,T) Coupled with Nonlinear Electrodynamics
Shyamalee Bora, Dhruba Jyoti Gogoi, Pralay Kumar Karmakar
We herein study both the Joule-Thomson (JT) expansion process and the geodesic properties of a charged anti-de Sitter (AdS) black hole arising in modified gravity with nonlinear el…
Thermodynamic Geometry, Heat Engines, and Topology of Sharma--Mittal ModMax-dRGT Black Holes
Hassan Hassanabadi, Abdullah Guvendi, Dhruba Jyoti Gogoi +2
We investigate the thermodynamic structure of charged AdS black holes in ModMax nonlinear electrodynamics coupled to dRGT-like massive gravity, incorporating Sharma--Mittal entropy…
Extended Thermodynamics and Throttling Process of Charged AdS Black Holes in ModMax-dRGT Massive Gravity with Sharma-Mittal Entropy
Naba Jyoti Gogoi, Hassan Hassanabadi, Himasri Pinapothu +1
We investigate the extended thermodynamics, including the Joule-Thomson expansion and criticality, of a four-dimensional charged anti-de Sitter (AdS) black hole within the co…
Equatorial Periodic Orbits and Gravitational Wave Phenomenology around Spherically-symmetric vacuum solution in Freund-Nambu scalar-tensor gravity
Dhruba Jyoti Gogoi, Jyatsnasree Bora, Himanshu Chaudhary +2
We investigate test particle dynamics and gravitational wave (GW) phenomenology in an exact spherically symmetric vacuum solution of Freund - Nambu scalar - tensor gravity. This fr…
Joule-Thomson effect and Efficiency of deformed AdS-Schwarzschild black hole in presence of quintessence
Dhruba Jyoti Gogoi, Ronit Karmakar, Jyatsnasree Bora +2
We study the Joule-Thomson expansion and extended thermodynamics of a modified black hole characterised by the parameters , , and . Analysis of the Hawking temperature, Jo…
Equatorial periodic orbits and gravitational wave signatures in Euler-Heisenberg black holes surrounded by perfect fluid dark matter
Dhruba Jyoti Gogoi, Jyatsnasree Bora, Ali Övgün
We investigate equatorial periodic orbits and their gravitational wave radiation in the spacetime of an Euler--Heisenberg (EH) black hole surrounded by perfect fluid dark matter (P…
Dynamics, Ringdown, and Accretion-Driven Multiple Quasi-Periodic Oscillations of Kerr-Bertotti-Robinson Black Holes
G. Mustafa, Orhan Donmez, Dhruba Jyoti Gogoi +3
We study the motion of test particles around the Kerr--Bertotti--Robinson (KBR) black hole (BH) and explore how the three defining parameters, the mass , rotation parameter ,…