Selected spherical photon orbits around a deformed Kerr black hole

被引：0
|
作者：
ChangQing Liu
ChiKun Ding
JiLiang Jing
机构：
[1] Hunan University of Humanities Science and Technology,Department of Physics
[2] Hunan Normal University,Department of Physics, Key Laboratory of Low Dimensional Quantum Structures and Quantum Control of Ministry of Education
来源：
Science China Physics, Mechanics & Astronomy | 2019年 / 62卷
关键词：
spherical photon orbits; Hamiltonian formulation; periodic latitudinal oscillation;
D O I：
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学科分类号：
摘要：
In this paper, we investigate the so-called spherical photon orbits around a deformed Kerr black hole with an extra deformation parameter. The change in the azimuth Δφ and the angle of dragging of nodes per revolution ΔΩ of a complete latitudinal oscillated orbit is calculated analytically. Finally, representative six examples orbits are plotted out to illustrate how spherical photon orbits look like and exhibit some interesting behavior. Especially, these spherical photon orbits are absent in circular orbits and different from the Kerr case.
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