Gravitational quasinormal modes of a parametrized Schwarzschild metric

被引：0
|
作者：
Lin, Kai [1 ]
Zhang, Hongsheng [2 ]
机构：
[1] China Univ Geosci, Sch Geophys & Geomat, Hubei Subsurface Multiscale Imaging Key Lab, Wuhan 430074, Hubei, Peoples R China
[2] Univ Jinan, Sch Phys & Technol, 336 West Rd Nan Xinzhuang, Jinan 250022, Peoples R China
来源：
COMMUNICATIONS IN THEORETICAL PHYSICS | 2023年 / 75卷 / 10期
基金：
芬兰科学院; 中国国家自然科学基金;
关键词：
black hole; quasinormal mode; matrix method; HOLE NORMAL-MODES; BLACK-HOLE; COLLAPSE; M87; STABILITY;
D O I：
10.1088/1572-9494/aced41
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Recently, a parametrized Schwarzschild metric (PSM) was proposed, in which n = 2 to solve the differences of mass of M87* from different observations. We find the axial gravitational quasinormal modes of this metric are unstable for n > 1. The decay rate of the quasinormal mode of the case n < 1 is much smaller than the case n = 1, which can be used to differentiate the PSM from a Schwarzschild one.
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页数：8
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