77 citations · 198 across the 28 of their papers we have counts for
28 papers
Equatorial periodic orbits and gravitational waveforms in Bardeen black holes surrounded by perfect fluid dark matter
Sohan Kumar Jha
To probe the interplay between dark matter (DM) and non-linear electrodynamics (NED), we consider the Bardeen black hole (BH) surrounded by perfect fluid dark matter (PFDM). We fir…
Strong gravitational lensing and Quasiperiodic oscillations as a probe for an electrically charged Lorentz symmetry-violating black hole
Sohan Kumar Jha
This study examines the combined effect of electric charge and Lorentz symmetry breaking (LSB) on the observables of strong gravitational lensing (SGL) and the dynamics of quasiper…
Probing a NED inspired Magnetically Charged Black Hole in the Hernquist Dark Matter Halo
Sohan Kumar Jha
With an intent to examine the combined effect of non-linear electrodynamics (NED) and dark matter (DM), we obtain a static and spherically symmetric solution with the black hole (B…
Black hole surrounded by perfect fluid dark matter with a background Kalb-Ramond field
Sohan Kumar Jha
With an intent to explore the interplay between the Lorentz symmetry breaking (LSB) and the presence of dark matter (DM), we obtain a static and spherically symmetric black hole (B…
Non-Minimal RT Coupling and its Impact on Inflationary Evolution in f(R, T) Gravity
Sohan Kumar Jha, Anisur Rahaman
We examine inflationary models in the gravity framework where we have a conformal constant and an -mixing term apart from an R term. The RT-mixing term introduces non…
Thermodynamics, Weak Gravitational Lensing, and Parameter Estimation of a Schwarzschild Black Hole Immersed in Hernquist Dark Matter Halo
Sohan Kumar Jha
In this article, we obtain a novel black hole (BH) solution of a Schwarzschild BH immersed in a Hernquist dark matter (SBHD) halo. The thermodynamic properties of the resultant spa…
Testing linear-quadratic GUP modified Kerr Black hole using EHT results
Sohan Kumar Jha
The linear-quadratic Generalized uncertainty principle (LQG) is consistent with predictions of a minimum measurable length and a maximum measurable momentum put forth by various th…
Constrain from shadows of and and quasiperiodic oscillations of galactic microquasars on a black hole arising from metric-affine bumblebee model
Sohan Kumar Jha, Anisur Rahaman
We examine a static spherically symmetric black hole metric that originates from the vacuum solution of the traceless metric-affine bumblebee model in which spontaneous Lorentz sym…
Shadow, ISCO, Quasinormal modes, Hawking spectrum, Weak Gravitational lensing, and parameter estimation of a Schwarzschild Black Hole Surrounded by a Dehnen Type Dark Matter Halo
Sohan Kumar Jha
We consider \s black hole (BH) embedded in a Dehnen- type dark matter halo (DDM) with two additional parameters - core radius and core density $\rs$ apart from mass…
GUP corrected black holes with cloud of string
Ahmad Al-Badawi, Sanjar Shaymatov, Sohan Kumar Jha +1
We investigate shadows, deflection angle, quasinormal modes (QNMs), and sparsity of Hawking radiation of the Schwarzschild string cloud black hole's solution after applying quantum…
Observational signature of Lorentz violation in Kalb-Ramond field model and Bumblebee model: A comprehensive comparative study
Sohan Kumar Jha
This article is devoted to the comparative study of the effects of the Lorentz symmetry violation (LV) arising in Kalb-Ramond (KR) and Bumblebee (BM) field models. We study optical…
Hairy black hole, Fermionic greybody factors, Quasinormal modes, Hawking radiation, Power spectrum and sparsity
Ahmad Al-Badawi, Sohan Kumar Jha, Anisur Rahaman
A hairy black hole (HBH) emerges due to matter surrounding the Schwarzschild metric when using the Extended Gravitational Decoupling (GD) approach. The fermionic greybody factors (…
Accretion, greybody factor, quasinormal modes, power spectrum, sparsity of Hawking radiation, and weak gravitational lensing of a minimum measurable length inspired Schwarzchild black hole
Himangshu Barman, Ahmad Al-Badawi, Sohan Kumar Jha +1
In this manuscript, we delve into an analytic and numerical probe of shadow with different accretion models, quasinormal modes, Hawking radiation, and gravitational lensing to stud…
Superradiance and stability of rotating charged black holes in T-duality
Sohan Kumar Jha, Kimet Jusufi
We investigate the shadow images, the relation between Quasinormal Modes (QNMs) and the shadow radius, and the superradiance effect observed in the context of a rotating charged bl…
Shadow, quasinormal modes, greybody bounds, and Hawking sparsity of Loop Quantum Gravity motivated non-rotating black hole
Sohan Kumar Jha
We consider Loop Quantum Gravity(LQG) motivated polymerized black hole and study shadow, quasinormal modes, and Hawking radiation. We obtain analytical expressions of photonsp…
Study of quasinormal modes, greybody bounds, and sparsity of Hawking radiation within the metric-affine bumblebee gravity framework
Sohan Kumar Jha, Anisur Rahaman
We consider a static and spherically symmetric black hole metric that emerges from the vacuum solution of the traceless metric-affine bumblebee model. Our study focuses on the poss…
Photonsphere, shadow, quasinormal modes, and greybody bounds of non-rotating Simpson-Visser black hole
Sohan Kumar Jha
In this manuscript, we study photonsphere, shadow, quasinormal modes, Hawking temperature, and greybody bounds of a non-rotating Simpson-Visser black hole which is a regular black…
Superradiance scattering of scalar, electromagnetic, and gravitational fields and thin accretion disk around non-commutating Kerr black hole
Sohan Kumar Jha
We consider the non-commutative(NC) Kerr black hole where the mass of the central object is smeared over a region of linear size , is the strength of the NC character…
Superradiant energy extraction from rotating hairy Horndeski black holes
Sohan Kumar Jha, Mohsen Khodadi, Anisur Rahaman +1
Adopting the manifest of low-frequency and low mass for the scalar perturbation, we perform a semi-classical analysis of the superradiance phenomenon for a rotating hairy Horndeski…
The inflationary scenario in the gravity model with a term
Sahazada Aziz, Sohan Kumar Jha, Anisur Rahaman
We investigate the cosmic inflation scenario of a specific model that contains more than one higher-order term in . The considered here has the terms , ,…
Superradiance scattering off rotating Simpson-Visser black hole and its shadow in the non-commutative setting
Sohan Kumar Jha, Anisur Rahaman
We consider non-commutating Simpson-Visser spacetime and study the superradiance phenomena and the shadow cast by the back hole associated with this modified spacetime. We extensiv…
Gravitational lensing by the hairy Schwarzschild black hole
Sohan Kumar Jha, Anisur Rahaman
In this manuscript, we consider the hairy Schwarzschild black hole that evades the no-hair theorem. The hair is induced by an additional source from surroundings, such as dark matt…
Kerr-Sen-like Lorentz violating black holes and Superradiance phenomena
Sohan Kumar Jha, Anisur Rahaman
A Kerr-Sen-like black hole solution results from Einstein-bumblebee gravity. It contains a Lorentz violating (LV) parameter that enters when the bumblebee field receives vacuum exp…
Lorentz violation and noncommutative effect on superradiance scattering off Kerr-like black hole and on the shadow of it
Sohan Kumar Jha, Anisur Rahaman
We consider a Lorentz violating non-commutating Kerr-like spacetime and studied the superradiance effect and the shadow cast by the back hole. We extensively study the different as…