Traversable wormholes with weak gravitational lensing effect in f (R, T) gravity

N Sarkar, S Sarkar, A Bouzenada, A Dutta… - Physics of the Dark …, 2024 - Elsevier
In this article, we have introduced completely new asymptotically flat Morris-Thorne
traversable wormhole geometries supported by anisotropic matter in the framework of f (R …

Modelling of dark energy stars with tolman IV gravitational potential

B Dayanandan, TT Smitha - Chinese Journal of Physics, 2021 - Elsevier
The present study explores the properties of dark energy star with high density under the
dark energy equation of state (EOS)(pr= ω ρ) with anisotropic fluid distribution, where ω …

Thermodynamic geometry and universal properties of charged anti-de Sitter black hole immersed in perfect fluid dark matter

H Abdusattar - Physics of the Dark Universe, 2023 - Elsevier
In this paper, we investigate the Ruppeiner thermodynamic geometry in the extended phase
space of Reissner–Nordström (RN)-AdS black holes immersed in perfect fluid dark matter …

Joule–Thomson expansion of RN-AdS black hole immersed in perfect fluid dark matter

Y Cao, H Feng, W Hong, J Tao - Communications in Theoretical …, 2021 - iopscience.iop.org
In this paper, we study the Joule–Thomson expansion for RN-AdS black holes immersed in
perfect fluid dark matter. As perfect fluid dark matter is one of the dark matter candidates, we …

Lyapunov exponent, ISCO and Kolmogorov–Senai entropy for Kerr–Kiselev black hole

M Mondal, F Rahaman, KN Singh - The European Physical Journal C, 2021 - Springer
Geodesic motion has significant characteristics of space-time. We calculate the principle
Lyapunov exponent (LE), which is the inverse of the instability timescale associated with this …

Possible existence of galactic wormholes in f (R, T) gravity

M Mondal, F Rahaman - The European Physical Journal Plus, 2024 - Springer
To identify more deliberate f (R, T) astrophysical solutions of the wormhole geometries, we
proceed under the assumption of spherical symmetry solutions of the Einstein field …

Tolman VI Fluid Sphere in f(R,T) Gravity

M Mondal, F Rahaman - Universe, 2023 - mdpi.com
We analyze the behavior of relativistic spherical objects within the context of modified f (R, T)
gravity considering Tolman VI spacetime, where the gravitational Lagrangian is a function of …

Null geodesics and QNMs in the field of regular black holes

M Mondal, AK Yadav, P Pradhan, S Islam… - International Journal of …, 2021 - World Scientific
In this paper, we analyze the null geodesics of regular black holes (BHs). A detailed analysis
of geodesic structure, both null geodesics and timelike geodesics, has been investigated for …

[PDF][PDF] Tolman VI Fluid Sphere in f (R, T) Gravity. Universe 2023, 9, 122

M Mondal, F Rahaman - 2023 - inspirehep.net
We analyze the behavior of relativistic spherical objects within the context of modified f (R, T)
gravity considering Tolman VI spacetime, where the gravitational Lagrangian is a function of …