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Related papers: Geodesic Study of Regular Hayward Black Hole

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A new magnetically charged Kiselev black hole solution is used to study the null geodesics in this spacetime. We derive the equations of motion for the null geodesics and analyze their properties, including the gravitational lensing effect.…

General Relativity and Quantum Cosmology · Physics 2025-04-17 Vitalie Lungu

We analyse test particle's trajectories around the geometry of a Schwarzschild black hole. In order to resemble sections of jets in the neighborhood of a black hole, we consider the conserved quantities corresponding to constraints imposed…

General Relativity and Quantum Cosmology · Physics 2017-01-11 E. A. León , J. A. Nieto , E. Ríos

We analyze motion of massless and massive particles around black holes immersed in an asymptotically uniform magnetic field and surrounded by some mechanical structure, which provides the magnetic field. The space-time is described by…

General Relativity and Quantum Cosmology · Physics 2008-11-26 R. A. Konoplya

We show that a particle, with positive orbital angular momentum, following an outgoing null/timelike geodesic, shall never reach the closed timelike horizon (CTH) present in the $(4+1)$-dimensional rotating G\"{o}del black hole space-time.…

General Relativity and Quantum Cosmology · Physics 2011-03-28 Sourav Bhattacharya , Anirban Saha

In this work, we study the geodesics in different types of Carrollian RN (Reissner-Nordstr\"om) black holes, considering the motions of both neutral and charged particles. We use the geodesic equations in the weak Carrollian structure and…

High Energy Physics - Theory · Physics 2024-10-30 Bin Chen , Haowei Sun , Jie Xu

We provide an exhaustive and illustrated classification of timelike and null geodesics in the near-horizon region of near-extremal Kerr black holes. The classification of polar motion extends to Kerr black holes of arbitrary spin. The…

General Relativity and Quantum Cosmology · Physics 2020-06-24 Geoffrey Compère , Adrien Druart

Regular black hole is one of the bottom-up solutions designed to eliminate the singularity at the center of black holes. Its horizonless solution has gained interest recently to model ultracompact star. Despite interesting, this proposal is…

General Relativity and Quantum Cosmology · Physics 2024-11-26 M. F. Fauzi , H. S. Ramadhan , A. Sulaksono

The Hayward metric is a spherically symmetric charged regular black holes, a modification of the Reisnner-Nordstr$\ddot{o}$m black holes of Einstein's equations coupled to nonlinear electrodynamics. We consider Einstein-Gauss-Bonnet gravity…

General Relativity and Quantum Cosmology · Physics 2020-06-03 Arun Kumar , Dharm Veer Singh , Sushant G. Ghosh

Exploiting a rotating Schwarzschild black hole metric, we study hydrodynamic properties of perfect fluid whirling inward toward the black holes along a conical surface. On the equatorial plane of the rotating Schwarzschild black hole, we…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Soon-Tae Hong , Sung-Won Kim

Null and timelike equatorial orbits are investigated in a family of hairy black holes in the cubic Galileon theory. These include rotating generalizations of static black hole metrics supporting a time-dependent scalar field. Depending on…

General Relativity and Quantum Cosmology · Physics 2022-01-27 Karim Van Aelst , Eric Gourgoulhon , Frederic H. Vincent

We perform a detailed study of the geodesic equations in the spacetime of the static and rotating charged black hole corresponding to the Kerr-Newman-(A)dS spacetime. We derive the equations of motion for test particles and light rays and…

General Relativity and Quantum Cosmology · Physics 2016-08-02 Saheb Soroushfar , Reza Saffari , Sobhan Kazempour , Saskia Grunau , Jutta Kunz

A model of nonlinear electrodynamics is proposed and investigated in general relativity. We consider the magnetic black hole and find a regular solution which gives corrections into the Reissner-Nordstr\"{o}m solution. At…

General Physics · Physics 2018-03-07 S. I. Kruglov

We extend to study Hawking radiation via tunneling in conformal gravity. We adopt Parikh-Wilczek's semi-classical tunneling method and the method of complex-path integral to investigate Hawking radiation from new rotating AdS black holes in…

General Relativity and Quantum Cosmology · Physics 2014-07-23 Shuang-Qing Wu , Gao-Ming Deng , Di Wu

In this work, we consider a rotating charged black hole surrounded by perfect fluid dark matter. We consider the system to be immersed in non-magnetised, pressureless plasma. First, we evaluate the null geodesics in order to study the…

General Relativity and Quantum Cosmology · Physics 2022-04-06 Anish Das , Ashis Saha , Sunandan Gangopadhyay

In the present paper we study the causal structure of a topological black hole presented by Mann R. B. JHEP 06, 075 (2009) by mean the standard Lagrangian procedure, which allow us analyze qualitatively the behavior of test particles using…

General Relativity and Quantum Cosmology · Physics 2013-06-26 Marco Olivares , Germán Rojas , Yerko Vásquez , J. R. Villanueva

In this paper, we investigate the geodesic motion and scalar perturbations of the Ay\'on-Beato-Garc\'ia (ABG) black hole (BH) coupled with a cloud of strings (CS). By employing the effective potential approach, we analyze the trajectories…

General Relativity and Quantum Cosmology · Physics 2025-01-29 Faizuddin Ahmed , Ahmad Al-Badawi , İzzet Sakallı , Sanjar Shaymatov

We study the geodesic motion of test particles in the space-time of non-compact boson stars. These objects are made of a self-interacting scalar field and -- depending on the scalar field's mass -- can be as dense as neutron stars or even…

General Relativity and Quantum Cosmology · Physics 2013-08-21 Valeria Diemer , Keno Eilers , Betti Hartmann , Isabell Schaffer , Catalin Toma

In Ref. [1], the spacetime geometry generated by compact objects in $(2+1)$-dimensional Bopp-Podolsky electrodynamics is derived. Using a perturbative approach, the authors derived a charged BTZ-like black hole solution and computed…

General Relativity and Quantum Cosmology · Physics 2025-07-16 Faizuddin Ahmed , Ahmad Al-Badawi , Abdelmalek Bouzenada , Erdem Sucu , İzzet Sakallı

In [arXiv:hep-th/0611083] we announced the complete integrability of geodesic motion in the general higher-dimensional rotating black-hole spacetimes. In the present paper we prove all the necessary steps leading to this conclusion. In…

High Energy Physics - Theory · Physics 2008-11-26 Pavel Krtous , David Kubiznak , Don N. Page , Muraari Vasudevan

This paper explores the circular geodesics of neutral test particles on an equatorial plane around a rotating black hole. After using equations of motion of scalar-tensor-vector gravity with the circular geodesics of null-like particles, we…

General Relativity and Quantum Cosmology · Physics 2021-01-08 M. Shahzadi , Z. Yousaf , Saeed Ullah Khan