正则Bardeen时空中的拟开普勒运动

IF 2.1 4区物理与天体物理 Q2 ASTRONOMY & ASTROPHYSICS General Relativity and Gravitation Pub Date : 2023-10-14 DOI:10.1007/s10714-023-03166-9

Jie Li, Bo Yang, Yu Wang, Wenbin Lin

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引用次数: 0

摘要

我们给出了Bardeen黑洞引力场中测试粒子准开普勒运动的第二个后牛顿解。这个解决方案是根据粒子的能量和角动量以及黑洞的磁电荷来制定的。明确显示了磁荷对测试粒子轨道和运动（包括近日点进动）的主导效应。特别地，研究表明，当考虑后牛顿第二阶时，磁荷对轨道周期没有影响。

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The quasi-Keplerian motion in regular Bardeen spacetime

We present the second post-Newtonian solution for the quasi-Keplerian motion of a test particle in the gravitational field of Bardeen black hole. This solution is formulated in terms of energy and angular momentum of the particle, as well as the black hole’s magnetic charge. The leading effects of the magnetic charge on the test particle’s orbit and motion including perihelion precession are displayed explicitly. In particular, it is shown that the magnetic charge does not have effects on the orbital period when the second post-Newtonian order is considered.

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来源期刊

General Relativity and Gravitation 物理-天文与天体物理

CiteScore

4.60

自引率

3.60%

发文量

136

审稿时长

3 months

期刊介绍： General Relativity and Gravitation is a journal devoted to all aspects of modern gravitational science, and published under the auspices of the International Society on General Relativity and Gravitation. It welcomes in particular original articles on the following topics of current research: Analytical general relativity, including its interface with geometrical analysis Numerical relativity Theoretical and observational cosmology Relativistic astrophysics Gravitational waves: data analysis, astrophysical sources and detector science Extensions of general relativity Supergravity Gravitational aspects of string theory and its extensions Quantum gravity: canonical approaches, in particular loop quantum gravity, and path integral approaches, in particular spin foams, Regge calculus and dynamical triangulations Quantum field theory in curved spacetime Non-commutative geometry and gravitation Experimental gravity, in particular tests of general relativity The journal publishes articles on all theoretical and experimental aspects of modern general relativity and gravitation, as well as book reviews and historical articles of special interest.