Innermost stable circular orbit of spinning particles around a rotating black hole surrounded by perfect fluid dark matter

被引：1
|
作者：
Li, Jie [1 ]
Jiang, Chunhua [2 ]
机构：
[1] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China
[2] Univ South China, Sch Math & Phys, Hengyang 421001, Peoples R China
来源：
MODERN PHYSICS LETTERS A | 2022年 / 37卷 / 28期
基金：
中国国家自然科学基金;
关键词：
Spinning particles; black holes; innermost stable circular orbit; GENERAL-RELATIVITY; EXTENDED BODIES; MOTION; DYNAMICS;
D O I：
10.1142/S0217732322501875
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this paper, we investigate the innermost stable circular orbit (ISCO) of spinning particles around a rotating black hole surrounded by the perfect fluid dark matter (PFDM). The motion of spinning particles is derived by Mathisson-Papapetrou-Dixon equation and the ISCO parameters are obtained by the radial effective potential. The effect of PFDM density parameter on the motion of spinning particles is analyzed. The results show that the effect of PFDM is nonlinear, and the radius of ISCO varies nonmonotonically with PFDM density parameter.
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页数：15
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