期刊
COMMUNICATIONS IN THEORETICAL PHYSICS
卷 73, 期 10, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1572-9494/ac17e6
关键词
massless spin fields; wave equation; Heun's equation; accelerating Kerr-Newman metric
资金
- National Natural Science Foundation of China [11 475 148]
This paper explores wave equations describing massless fields of spins s ≤ 2 in accelerating Kerr-Newman black holes, finding that they can be written as a compact master equation that can be separated into radial and angular equations. The solutions are shown to have analytical solutions and approximate solutions for the radial equation. The results demonstrate the possibility of studying similarities between gravitational waves and other massless spin fields, with potential applications in astrophysics such as quasinormal modes, scattering, and stability.
As is well-known, it is very difficult to solve wave equations in curved space-time. In this paper, we find that wave equations describing massless fields of the spins s <= 2 in accelerating Kerr-Newman black holes can be written as a compact master equation. The master equation can be separated to radial and angular equations, and both can be transformed to Heun's equation, which shows that there are analytic solutions for all the wave equations of massless spin fields. The results not only demonstrate that it is possible to study the similarity between waves of gravitational and other massless spin fields, but also it can deal with other astrophysical applications, such as quasinormal modes, scattering, stability, etc. In addition, we also derive approximate solutions of the radial equation.
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