Selected spherical photon orbits around a deformed Kerr black hole

被引：8
|
作者：
Liu, ChangQing [1 ]
Ding, ChiKun [1 ]
Jing, JiLiang [2 ]
机构：
[1] Hunan Univ Humanities Sci & Technol, Dept Phys, Loudi 417000, Peoples R China
[2] Hunan Normal Univ, Minist Educ, Key Lab Low Dimens Quantum Struct & Quantum Contr, Dept Phys, Changsha 410081, Hunan, Peoples R China
来源：
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY | 2019年 / 62卷 / 01期
基金：
中国国家自然科学基金;
关键词：
spherical photon orbits; Hamiltonian formulation; periodic latitudinal oscillation;
D O I：
10.1007/s11433-018-9243-x
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
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 Delta phi and the angle of dragging of nodes per revolution Delta Omega 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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页数：11
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