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In the present paper, we consider a rotating black hole moving in a static homogeneous electromagnetic field. We assume that the field is weak and neglect its backreaction on the geometry, so that the metric at far distance from the black…

General Relativity and Quantum Cosmology · Physics 2024-02-27 Valeri P. Frolov

Relativistic effects of compact objects onto electromagnetic fields in their vicinity are investigated using the test-field approximation. In particular, we study the possible emergence of magnetic null points which are astrophysically…

High Energy Astrophysical Phenomena · Physics 2019-02-27 Ondřej Kopáček , Tayebeh Tahamtan , Vladimír Karas

This work investigates the optical properties of a static, spherically symmetric, electrically charged black hole in f(R) gravity coupled to Euler-Heisenberg(EH) nonlinear electrodynamics(NLED). By analyzing photon trajectories in this…

General Relativity and Quantum Cosmology · Physics 2026-01-16 Khadije Jafarzade , Saira Yasmin , Mubasher Jamil

In Einstein-{\AE}ther theory, the Lorentz symmetry is locally broken in the high-energy regime due to the presence of the{\AE}ther field. This shall leave significant imprint on astronomical observation. In this paper, we investigate the…

General Relativity and Quantum Cosmology · Physics 2022-12-14 Hui-Min Wang , Zi-Chao Lin , Shao-Wen Wei

Electromagnetic reactions on light nuclei are fundamental to advance our understanding of nuclear structure and dynamics. The perturbative nature of the electromagnetic probes allows to clearly connect measured cross sections with the…

Nuclear Theory · Physics 2014-11-25 Sonia Bacca , Saori Pastore

Schwarzschild black holes can produce strong gravitational lensing. The relativistic images are produced due to bending of light around the black hole. We propose a model equation to study the strong gravitational lensing. The model…

General Relativity and Quantum Cosmology · Physics 2012-08-17 Tushar Kanti Dey

We study scattering of polarized light by a rotating (Kerr) black hole of the mass M and the angular momentum J. In order to keep trace of the polarization dependence of photon trajectories one can use the following dimensionless parameter:…

General Relativity and Quantum Cosmology · Physics 2015-06-05 Valeri P. Frolov , Andrey A. Shoom

We study the effect of light-bending on the signal of a pulsar in binaries with rotating black hole companions, focusing on stellar mass black holes. We show that the impacts of various parameters on the bending delays visually match with…

General Relativity and Quantum Cosmology · Physics 2025-06-09 Jyotijwal Debnath , Manjari Bagchi

In this research-paper, many of the general-relativity-tests such as bending of light near a star and gravitational red/blue shift are explained without general-relativity & even without Newtonian-approach. The authors first raise questions…

General Physics · Physics 2015-10-23 R. C. Gupta , Anirudh Pradhan , Sushant Gupta

Quantum mechanics of bending of a nonrelativistic monoenergetic charged particle beam by a dipole magnet is studied in the paraxial approximation. The transfer map for the position and momentum components of a particle of the beam between…

Quantum Physics · Physics 2020-04-22 Sameen Ahmed Khan , Ramaswamy Jagannathan

The free fall of electric charges and dipoles, radial and freely falling into the Schwarzschild black hole event horizon, was considered. Inverse effect of electromagnetic fields on the black hole is neglected. Dipole was considered as a…

General Relativity and Quantum Cosmology · Physics 2015-06-12 A. A. Shatskiy , I. D. Novikov , L. N. Lipatova

Light bending is one of the significant predictions of general relativity (GR) and it has been confirmed with great accuracy during the last one hundred years. In this paper, we semiclassically calculate the deflection angle for the photons…

General Relativity and Quantum Cosmology · Physics 2017-06-28 Lei Feng

Bending of light rays by gravitational sources is one of the first evidences of the general relativity. When the gravitational souce is a stationary massive object such as a black hole, the bending angle has an integral representation, from…

High Energy Physics - Theory · Physics 2021-07-07 Tadashi Sasaki , Hisao Suzuki

In this paper we consider a rotating black hole with electric and magnetic monopole charges that moves in a static homogeneous electromagnetic field. We assume that both the charges and the fields are weak, so that they have no effect on…

General Relativity and Quantum Cosmology · Physics 2024-09-18 Valeri P. Frolov , Alex Koek

We investigate the equatorial deflection angle of light rays propagating in Kerr-Newman black-bounce spacetime. Furthermore, we analyze the light ray trajectories and derive a closed-form formula for deflection angle in terms of elliptic…

General Relativity and Quantum Cosmology · Physics 2023-05-30 Saptaswa Ghosh , Arpan Bhattacharyya

We examine the motion of an electron constrained to follow a magnetic field line near a primordial sub-stellar mass black hole. Earlier studies treated the problem in flat (Minkowski) spacetime, yielding qualitatively correct results and…

General Relativity and Quantum Cosmology · Physics 2025-12-30 Nikoloz Kurtskhalia , Nikolai Maltsev , Zaza N. Osmanov

We predict a non-thermal magneto-optical effect for magnetic insulators subject to intense light carrying orbital angular momentum (OAM). Using a classical approach to second harmonic generation in non-linear media with specific symmetry…

Mesoscale and Nanoscale Physics · Physics 2014-10-17 Thomas Bose , Jamal Berakdar

Using a noncommutative inspired Einstein-Euler-Heisenberg black hole, we analyse the associated graviton and light rings that together with the event horizon, provide the necessary components to build its shadow. An analysis of the angular…

General Relativity and Quantum Cosmology · Physics 2021-10-27 Marco Maceda , Alfredo Macías , Daniel Martínez-Carbajal

We analyze changes of the electronic structure of a triangular molecule under the influence of an electric field (i.e., the Stark effect). The effects of the field are shown to be anisotropic and include both a linear and a nonlinear part.…

Mesoscale and Nanoscale Physics · Physics 2015-03-17 Bogdan R. Bulka , Tomasz Kostyrko , Jakub Luczak

When polarized electrons traverse a region where the laser light is focused their polarization varies even if their energy and direction of motion are not changed. This effect is due to interference of the incoming electron wave and an…

High Energy Physics - Phenomenology · Physics 2009-10-30 G. L. Kotkin , H. Perlt , V. G. Serbo