Constraints on charged symmergent black hole from shadow and lensing

B Puliçe, RC Pantig, A Övgün… - Classical and Quantum …, 2023 - iopscience.iop.org
In this paper, we report on exact charged black hole solutions in symmergent gravity with
Maxwell field. Symmergent gravity induces the gravitational constant G, quadratic curvature …

[HTML][HTML] Shadow and deflection angle of asymptotic, magnetically-charged, non-singular black hole

Y Kumaran, A Övgün - The European Physical Journal C, 2023 - Springer
In this paper, we investigate a solution for an asymptotic, magnetically-charged, non-
singular (AMCNS) black hole. By utilizing the Gauss–Bonnet theorems, we aim to unravel …

Gravitational deflection of relativistic massive particles by wormholes

Z Li, G He, T Zhou - Physical Review D, 2020 - APS
In this paper, the gravitational deflection of relativistic massive particles up to the second
post-Minkowskian order by static and spherically symmetric wormholes is investigated in the …

Gravitational lensing in dispersive media and deflection angle of charged massive particles in terms of curvature scalars and energy-momentum tensor

G Crisnejo, E Gallo, JR Villanueva - Physical Review D, 2019 - APS
In this work we extend the approach used in [Emanuel Gallo and Osvaldo M. Moreschi,
Phys. Rev. D 83, 083007 (2011) PRVDAQ 1550-7998 10.1103/PhysRevD. 83.083007] to …

Jacobi–Maupertuis metric and Kepler equation

S Chanda, GW Gibbons, P Guha - International Journal of …, 2017 - World Scientific
This paper studies the application of the Jacobi–Eisenhart lift, Jacobi metric and Maupertuis
transformation to the Kepler system. We start by reviewing fundamentals and the Jacobi …

Jacobi-Maupertuis Randers-Finsler metric for curved spaces and the gravitational magnetoelectric effect

S Chanda, GW Gibbons, P Guha, P Maraner… - Journal of …, 2019 - pubs.aip.org
In this paper, we return to the subject of Jacobi metrics for timelike and null geodesics in
stationary spacetimes, correcting some previous misconceptions. We show that not only null …

Kerr black hole surrounded by a cloud of strings and its weak gravitational lensing in Rastall gravity

Z Li, T Zhou - Physical Review D, 2021 - APS
In this paper, an exact solution of the Kerr black hole surrounded by a cloud of strings in
Rastall gravity is obtained by the Newman-Janis algorithm without complexification, and the …

Generalized Gibbons-Werner method for stationary spacetimes

Y Huang, Z Cao, Z Lu - Journal of Cosmology and Astroparticle …, 2024 - iopscience.iop.org
Abstract The Gibbons-Werner (GW) method is a powerful approach in studying the
gravitational deflection of particles moving in curved spacetimes. The application of the …

Motion of charged particle in Reissner–Nordström spacetime: a Jacobi-metric approach

P Das, R Sk, S Ghosh - The European Physical Journal C, 2017 - Springer
The present work discusses motion of neutral and charged particles in Reissner–Nordström
spacetime. The constant energy paths are derived in a variational principle framework using …

The effect of quark–antiquark confinement on the deflection angle by the NED black hole

E Sucu, A Övgün - Physics of the Dark Universe, 2024 - Elsevier
In this study, we explore the influence of quark–antiquark confinement on the deflection
angle within the framework of nonlinear electrodynamic (NED) black holes. To achieve this …