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In this paper we investigate the innermost stable circular orbit (ISCO) of a spinning test particle moving in the rotating Maxwell-dilaton black hole spacetime. By using the Mathisson-Papapetrou-Dixon equations along with the Tulczyjew…

广义相对论与量子宇宙学 · 物理学 2019-07-03 Carlos Conde , Cristian Galvis , Eduard Larrañaga

The motion of classical spinning test particles in the equatorial plane of a Kerr black hole is considered for the case where the particle spin is perpendicular to the equatorial plane. We review some results of our recent research of the…

广义相对论与量子宇宙学 · 物理学 2016-05-16 O. Yu. Tsupko , G. S. Bisnovatyi-Kogan , P. I. Jefremov

In this article, we investigate the motion of a spinning particle at a constant inclination, different from the equatorial plane, around a Kerr black hole. We mainly explore the possibilities of stable circular orbits for different spin…

广义相对论与量子宇宙学 · 物理学 2018-10-24 Sajal Mukherjee , Rajesh Kumble Nayak

According to General Relativity, astrophysical black holes are described by a small number of parameters. Apart from the mass of the black hole (M), among the most interesting characteristics is the spin (a), which determines the degree of…

高能天体物理现象 · 物理学 2024-05-14 Ondřej Kopáček , Vladimír Karas

In this paper we investigate the innermost stable circular orbit (ISCO) for a classical spinning test particle in the background of Kerr-Newman black hole. It is shown that the orbit of the spinning particle is related to the spin of the…

广义相对论与量子宇宙学 · 物理学 2018-05-02 Yu-Peng Zhang , Shao-Wen Wei , Wen-Di Guo , Tao-Tao Sui , Yu-Xiao Liu

In the present work, we aimed to investigate the dynamics of spinning charged and magnetized test particles around both electrically and magnetically charged quantum-improved black holes. We derive the equations of motion for charged…

广义相对论与量子宇宙学 · 物理学 2023-11-07 Jose Miguel Ladino , Carlos A. Benavides-Gallego , Eduard Larrañaga , Javlon Rayimbaev , Farrux Abdulxamidov

The motion of a rapidly rotating object in curved spacetime is affected by the spin-curvature force, an effect captured in the motion of spinning test particles. Recently, Cardoso et al.~[Phys. Rev. D 105, L061501 (2022)] found an exact…

广义相对论与量子宇宙学 · 物理学 2025-12-16 Qin Tan , Weike Deng , Sheng Long , Jiliang Jing

We consider the motion of classical spinning test particles in Schwarzschild and Kerr metrics and investigate innermost stable circular orbits (ISCO). The main goal of this work is to find analytically the small-spin corrections for the…

广义相对论与量子宇宙学 · 物理学 2015-05-25 Paul I. Jefremov , Oleg Yu. Tsupko , Gennady S. Bisnovatyi-Kogan

In the curved spacetime background, the trajectory of a spinning test particle will deviate from the geodesic. Using the effective potential method, we study the motion of a spinning test particle on the equatorial plane of a polymer black…

广义相对论与量子宇宙学 · 物理学 2024-12-05 Ke Chen , Shao-Wen Wei

We study the innermost stable circular orbit (ISCO) of a spinning test particle moving in the vicinity of an axially symmetric rotating braneworld black hole (BH). We start with the description of the event horizon, static limit surface and…

广义相对论与量子宇宙学 · 物理学 2020-01-24 Ulises Nucamendi , Ricardo Becerril , Pankaj Sheoran

In this work, we investigated the motion of spinning test particles around a rotating wormhole, extending, in this way, the previous work of Benavides-Gallego et al. in [Phys. Rev. D 101, no.12, 124024] to the general case. Using the…

广义相对论与量子宇宙学 · 物理学 2022-07-13 Farrux Abdulxamidov , Carlos A. Benavides-Gallego , Wen-Biao Han , Javlon Rayimbaev , Ahmadjon Abdujabbarov

The motion of spinning test particles around a traversable wormhole is investigated using the Mathisson Papapetrous Dixon equations, which couple the Riemann tensor with the antisymmetric tensor $S^{ab}$, related to the spin of the…

广义相对论与量子宇宙学 · 物理学 2021-10-13 Carlos A. Benavides-Gallego , Wen-Biao Han , Daniele Malafarina , Bobomurat Ahmedov , Ahmadjon Abdujabbarov

A test particle possessing spin angular momentum moves along a non-geodesic path due to an additional spin-curvature force. We study the spinning test particle moving in the vicinity of the electrically charged black hole formation in…

广义相对论与量子宇宙学 · 物理学 2022-04-20 Ke Yang , Bao-Min Gu , Yu-Peng Zhang

Using the exact solution that describes multi-centered rotating black holes, recently discovered by Teo and Wan, we investigate the innermost stable circular orbit (ISCO) for massive particles and the circular orbit for massless particles…

广义相对论与量子宇宙学 · 物理学 2024-03-28 Eiki Kagohashi , Ryotaku Suzuki , Shinya Tomizawa

In a recent work, [Phys. Rev. D. 94, 104010 (2016)], hereafter Paper I, we have numerically studied different prescriptions for the dynamics of a spinning particle in circular motion around a Schwarzschild black hole. In the present work,…

广义相对论与量子宇宙学 · 物理学 2017-10-02 Georgios Lukes-Gerakopoulos , Enno Harms , Sebastiano Bernuzzi , Alessandro Nagar

We study the orbits of a spinning particle in the Reissner-Nordstr\"om black hole exterior through the spin-curvature coupling to leading order in its spin. The dynamics is governed by the Mathisson-Papapetrou equations in the pole-dipole…

广义相对论与量子宇宙学 · 物理学 2025-05-29 Siang-Yao Ciou , Tien Hsieh , Da-Shin Lee

We investigate the motion of massive charged and spinning test particles around a charged dyonic black hole spacetime surrounded by perfect fluid scalar dark matter field. We obtain the equations of motion and find the expressions for the…

广义相对论与量子宇宙学 · 物理学 2022-06-07 Sanjar Shaymatov , Pankaj Sheoran , Sanjay Siwach

In this paper, we investigate the motion of spinning particles in the background of covariant loop quantum gravity black holes, focusing on two distinct effective metric solutions. Both metrics incorporate a quantum parameter $\zeta$, which…

广义相对论与量子宇宙学 · 物理学 2025-05-21 Yongbin Du , Yunlong Liu , Xiangdong Zhang

Analytical solutions of Maxwell equations in background spacetime of black hole in braneworld immersed in external uniform magnetic field have been found. Influence of both magnetic and brane parameters on effective potential of the radial…

广义相对论与量子宇宙学 · 物理学 2010-05-12 Ahmadjon Abdujabbarov , Bobomurat Ahmedov

For a self-gravitating particle of mass \mu in orbit around a Kerr black hole of mass M >> \mu, we compute the O(\mu/M) shift in the frequency of the innermost stable circular equatorial orbit (ISCEO) due to the conservative piece of the…

广义相对论与量子宇宙学 · 物理学 2014-10-21 Soichiro Isoyama , Leor Barack , Sam R. Dolan , Alexandre Le Tiec , Hiroyuki Nakano , Abhay G. Shah , Takahiro Tanaka , Niels Warburton
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