Superradiant Instability of D-Dimensional Reissner-Nordstrom Black Hole Mirror System

被引：25
|
作者：
Li Ran [1 ]
Zhao Jun-Kun [1 ]
Zhang Yan-Ming [1 ]
机构：
[1] Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China
来源：
COMMUNICATIONS IN THEORETICAL PHYSICS | 2015年 / 63卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Reissner Nordstrom black hole; superradiance; instability; MASSIVE SCALAR FIELD; QUASI-NORMAL MODES; WAVES; AMPLIFICATION; EXTRACTION; STABILITY; SPACETIME; ENERGY;
D O I：
10.1088/0253-6102/63/5/569
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We analytically study the superradiant instability of charged massless scalar field in the background of D-dimensional Reissner-Nordstrom (RN) black hole caused by mirror-like boundary condition. By using the asymptotic matching method to solve the Klein-Gordon equation that governs the dynamics of scalar field, we have derived the expressions of complex parts of boxed quasinormal frequencies, and shown they are positive in the regime of superradiance. This indicates the charged scalar field is unstable in D-dimensional Reissner-Nordstrom (RN) black hole surrounded by mirror. However, the numerical work to calculate the boxed quasinormal frequencies in this system is still required in the future.
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页码：569 / 574
页数：6
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