Quasinormal resonances of a charged scalar field in a charged Reissner-Nordstrom black-hole spacetime: A WKB analysis

被引：33

作者：

Hod, Shahar ^{[1
,2
]}

机构：

[1] Ruppin Acad Ctr, IL-40250 Emek Hefer, Israel

[2] Hadassah Inst, IL-91010 Jerusalem, Israel

来源：

PHYSICS LETTERS B | 2012年 / 710卷 / 02期

关键词：

NORMAL-MODES; WAVE-PROPAGATION; EVOLUTION; SPECTRUM; COLLAPSE; TAIL;

D O I：

10.1016/j.physletb.2012.03.010

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The fundamental quasinormal resonances of charged Reissner-Nordstrom black holes due to charged scalar perturbations are derived analytically. In the WKB regime, qQ >> n, we obtain a simple expression for the fundamental quasinormal resonances: omega = qQ/r(+) - i2 pi T-BH(n + 1/2), where T-BH and Q are the temperature and electric charge of the black hole and q is the electric charge of the field. Remarkably. our results show that the relaxation dynamics of a perturbed Reissner-Nordstrom black hole may saturate the recently proposed universal relaxation bound. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：349 / 351

页数：3

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