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In this paper, geodesic motion of the charged particles in the vicinity of event horizon of Schwarzschild anti-de-Sitter black hole (BH) with topological defects has been investigated. Weakly magnetized environment is considered in the…

General Relativity and Quantum Cosmology · Physics 2021-11-03 Sidra Shafiq , Saqib Hussain , Muhammad Ozair , Adnan Aslam , Takasar Hussain

In this paper, we investigate the motion of charged particles around the weakly magnetized Schwarzschild-like bumblebee black hole which has Lorentz symmetry breaking. Charged particles have curled orbits around the black hole which can…

General Relativity and Quantum Cosmology · Physics 2025-07-03 Hai-Yang Zhang , Ya-Peng Hu , Yu-Sen An

In this paper the motion of charged and uncharged test particles in the rotating nonlinearly charged black hole is examined. Its asymptotics can be de Sitter or anti-de Sitter, depending on the value of the nonlinear parameter; consequently…

General Relativity and Quantum Cosmology · Physics 2022-08-05 Nora Breton , Gustavo Gutierrez-Cano , Alberto A. Garcia-Diaz

We examine motion of test particles with various masses, electric charges and dilatonic charges in a background metric and fields of a charged dilatonic black hole.

General Relativity and Quantum Cosmology · Physics 2017-07-19 Takuya Maki , Kiyoshi Shiraishi

The self-force of the electromagnetic charge in the space-time of a wormhole with an infinitely short throat is calculated. It is assumed that the charge is a source of an electromagnetic field that is in non-minimal connection with the…

General Relativity and Quantum Cosmology · Physics 2022-10-13 O. Aslan , A. Popov

We consider the motion of test particles in the regular black hole space-time given by Ay\'{o}n-Beato and Garc\'{\i}a in Phys. Rev. Lett. 80:5056 (1998). The complete set of orbits for neutral and weakly charged test particles is discussed,…

General Relativity and Quantum Cosmology · Physics 2015-05-28 Alberto García , Eva Hackmann , Jutta Kunz , Claus Lämmerzahl , Alfredo Macías

In this work, we study the motion of charged test particles in Kerr-Newman-Taub-NUT spacetime. We analyze the angular and the radial parts of the orbit equations and examine the possible orbit types. We also investigate the spherical orbits…

General Relativity and Quantum Cosmology · Physics 2016-05-25 Hakan Cebeci , Nülifer Özdemir , Seçil Şentorun

We derive the multipole moments of the Kerr-NUT black hole spacetime using the Geroch-Hansen formalism, even though the spacetime is not asymptotically flat. Intriguingly, in the presence of the NUT charge, the absence of reflection…

General Relativity and Quantum Cosmology · Physics 2021-01-04 Sajal Mukherjee , Sumanta Chakraborty

We present the full set of analytical solutions of the geodesic equations of charged test particles in the Reissner-Nordstr\"om space-time in terms of the Weierstra{\ss} $\wp$, $\sigma$ and $\zeta$ elliptic functions. Based on the study of…

General Relativity and Quantum Cosmology · Physics 2011-02-18 Saskia Grunau , Valeria Kagramanova

It is shown that if two Reissner-Nordstr\"{o}m space-times, both with the same mass m and charge e, glued together in the singularities, then the light ray in black hole of the first space-time can go continuously through the singularity…

General Relativity and Quantum Cosmology · Physics 2015-06-25 M. Abdel-Megied , Ragab M. Gad

We study the geodesic motion of massless test particles in the background of a magnetic charged black hole spacetime in four dimensions in dilaton-Maxwell gravity. The behaviour of effective potential in view of the different values of…

General Relativity and Quantum Cosmology · Physics 2015-09-18 Ravi Shankar Kuniyal , Rashmi Uniyal , Hemwati Nandan , K. D. Purohit

We apply the tunneling process of charged massive particles through the quantum horizon of a Reissner-Nordstrom black hole in a new noncommutative gravity scenario. In this model, the tunneling amplitude on account of noncommutativity…

General Relativity and Quantum Cosmology · Physics 2010-12-02 S. Hamid Mehdipour

We study the motion of a charged test particle in the spacetime with a spherically symmetric black hole which is immersed in a monopole magnetic field. We show that the radial motion of the charged test particle is governed by completely…

General Relativity and Quantum Cosmology · Physics 2026-03-30 Ken-ichi Nakao , Yota Endo , Hideki Ishihara , Kenta Matsuo , Kensuke Sueto , Koudai Ueda , Hirotaka Yoshino

We show how the motion of a charged particle near the horizon of an extreme Reissner-Nordstrom black hole can lead to different forms of conformal mechanics, depending on the choice of the time coordinate.

High Energy Physics - Theory · Physics 2009-11-07 S. Mignemi

We investigate the motion of neutral test particles in the gravitational field of a mass $M$ with charge $Q$ described by the Reissner-Nordstr\"om (RN) spacetime. We focus on the study of circular stable and unstable orbits around…

High Energy Astrophysical Phenomena · Physics 2011-02-02 D. Pugliese , H. Quevedo , R. Ruffini

Wormholes are a solution for General Relativity field equations which characterize a passage or a tunnel that connects two different regions of space-time and is filled by some sort of exotic matter, that does not satisfy the energy…

General Relativity and Quantum Cosmology · Physics 2019-06-14 P. H. R. S. Moraes , W. de Paula , R. A. C. Correa

The study of circular orbits offers profound insights into the structure of spacetime around black holes. While the topological properties of these orbits are well-established for neutral particles, the influence of electric…

General Relativity and Quantum Cosmology · Physics 2025-11-20 Yong Song , Jia Li , Yiting Cen , Kai Diao , Xiaofeng Zhao , Shunping Shi

In this article, we present a stationary metric ansatz to describe a rotating traversable wormhole in the presence of the topological defect produced by a global monopole charge. This particular rotating space-time is referred to as the…

General Relativity and Quantum Cosmology · Physics 2023-12-18 Faizuddin Ahmed

We propose the method of investigation of radial motions for charged and neutral test particles in the Reissner-Nordstr\"{o}m field by means of mass potential. In this context we analyze special features of interaction of charges and their…

General Relativity and Quantum Cosmology · Physics 2011-04-22 Valentin D. Gladush , Marina V. Galadgyi

This paper explores the dynamics of both neutral as well as charged particles orbiting near a rotating black hole in scalar-tensor-vector gravity. We study the conditions for the particle to escape at the innermost stable circular orbit. We…

General Relativity and Quantum Cosmology · Physics 2017-09-13 M. Sharif , Misbah Shahzadi