179 citations · 580 across the 18 of their papers we have counts for
18 papers
Ehrenfest Paradox: A Careful Examination
Jitendra Kumar
The Ehrenfest paradox for a rotating ring is examined and a kinematic resolution, within the framework of the special theory of relativity, is presented. Two different ways by whic…
Strong Gravitational Lensing by Loop Quantum Gravity Motivated Rotating Black Holes and EHT Observations
Jitendra Kumar, Shafqat Ul Islam, Sushant G. Ghosh
We investigate gravitational lensing in the strong deflection regime by loop quantum gravity (LQG)-motivated rotating black hole (LMRBH) metrics with an additional parameter be…
Investigating Loop Quantum Gravity with EHT Observational Effects of Rotating Black holes
Shafqat Ul Islam, Jitendra Kumar, Rahul Kumar Walia +1
A mathematically consistent rotating black hole model in loop quantum gravity (LQG) is yet lacking. The scarcity of rotating black hole solutions in LQG substantially hampers the d…
Loop Quantum Gravity motivated multihorizon rotating black holes
Jitendra Kumar, Shafqat Ul Islam, Sushant G. Ghosh
With a semiclassical polymerization in the loop quantum gravity (LQG), the interior of Schwarzschild black holes provides a captivating single-horizon regular black hole spacetime.…
Testing strong gravitational lensing effects by supermassive compact objects with regular spacetimes
Jitendra Kumar, Shafqat Ul Islam, Sushant G. Ghosh
We compare and contrast gravitational lensing, in the strong-field limit, by photon sphere in spherically symmetric regular electrically charged (REC) black holes () a…
A study of anisotropic compact star with MIT bag EoS in f(R,T) modified theory
H. D. Singh, J. Kumar
In the current study, we investigated a specific model of anisotropic strange stars specially Her X-1, in the background of modified f(R,T) gravity by choosing f(R,T) = R+2ξT, wher…
The classification of interior solutions of anisotropic fluid configurations
Jitendra Kumar, Puja Bharti
The Einstein-Maxwell (or Einstein) system of field equations plays a substantial role in the modeling of compact stars. Although due to its non-linearity getting an exact solution…
Investigating strong gravitational lensing effects by suppermassive black holes with Horndeski gravity
Jitendra Kumar, Shafqat Ul Islam, Sushant G. Ghosh
We study gravitational lensing in strong-field limit by a static spherically symmetric black hole in quartic scalar field Horndeski gravity having additional hair parameter , ev…
A generalized buchdahl model for compact stars in f (R;T) gravity
J. Kumar, H. D. Singh, A. K. Prasad
In this paper, we study the stellar structure in terms of alternative theory of gravity specially by f (R;T) gravity theory. Here, we consider the function f (R;T) = R+2VT where R…
Behavior of anisotropic fluids with Chaplygin equation of state in Buchdahl spacetime
Amit Kumar Prasad, Jitendra Kumar, Abhijit Sarkar
In the present study we have proposed a new model of an anisotropic compact star which admits the Chaplygin equation of state. For this purpose, we consider Buchdahl ansatz. We obt…
Strong gravitational lensing by rotating Simpson--Visser black holes
Shafqat Ul Islam, Jitendra Kumar, Sushant G. Ghosh
We investigate strong field gravitational lensing by rotating Simpson-Visser black hole, which has an additional parameter (), apart from mass () and rotation…
Anisotropic relativistic fluid spheres with a linear equation of state
Amit Kumar Prasad, Jitendra Kumar
In this work, we present a class of relativistic and well-behaved solution to Einstein's field equations for anisotropic matter distribution. We perform our analysis by using the B…
Pulsar PSR B0943+10 as an isotropic Vaidya-Tikekar type compact star : A comprehensive study
Jitendra Kumar, Puja Bharti
In this paper, we have constructed a model for well behaved isotropic compact star in the presence of charged perfect fluid, by considering a static and spherically symmetric metri…
An isotropic compact stellar model in curvature coordinate system consistent with observational data
Jitendra Kumar, Puja Bharti
This paper investigates a spherically symmetric compact relativistic body with isotropic pressure profiles within the framework of general relativity. In order to solve the Einstei…
Isotropic uncharged model with compactness and stable con gurations
Amit Kumar Prasad, Jitendra Kumar, Ashok Kumar
In present work, we have studied a new stellar distribution model with spherically symmetric matter and an uncharged isotropic distribution in general relativity. In this model, we…
Charged Analogues of Isotropic Compact Stars Model with Buchdahl Metric in General Relativity
Amit Kumar Prasad, Jitendra Kumar
In this work, we examine a spherically symmetric compact body with isotropic pressure profile, in this context we obtain a new class of exact solutions of Einstein's-Maxwell field…
Anisotropic Compact stars in the Buchdahl model: A comprehensive study
S. K. Maurya, Ayan Banerjee, M. K. Jasim +3
In this article, we present a class of relativistic solutions describing spherically symmetric and static anisotropic stars in hydrostatic equilibrium. For this purpose, we conside…
Relativistic charged spheres: Compact stars, compactness and stable configurations
J. Kumar, S. K. Maurya, A. K. Prasad +1
This paper aims to explore a class of static stellar equilibrium configuration of relativistic charged spheres made of a charged perfect fluid. Solving the Einstein-Maxwell field e…