期刊
EUROPEAN PHYSICAL JOURNAL C
卷 82, 期 6, 页码 -出版社
SPRINGER
DOI: 10.1140/epjc/s10052-022-10476-w
关键词
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资金
- Inje University [20210040]
The study revisits the superradiant stability of Kerr-Newman black holes under a charged massive scalar perturbation and obtains a newly suitable potential which is not singular at the outer horizon. From the potential analysis, a condition for the superradiant stability of Kerr-Newman black holes is found.
We revisit the superradiant stability of Kerr-Newman black holes under a charged massive scalar perturbation. We obtain a newly suitable potential which is not singular at the outer horizon when a radial equation is expressed the Schrodinger-type equation in terms of the tortoise coordinate. From the potential analysis, we find a condition for the superradiant stability of Kerr-Newman black holes.
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