Condition for superradiance in higher-dimensional rotating black holes

被引：35

作者：

Jung, E ^{[1
]}

Kim, SH ^{[1
]}

Park, DK ^{[1
]}

机构：

[1] Kyungnam Univ, Dept Phys, Masan 631701, South Korea

来源：

PHYSICS LETTERS B | 2005年 / 615卷 / 3-4期

关键词：

D O I：

10.1016/j.physletb.2005.04.022

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

It is shown that the superradiance modes always exist in the radiation by the (4 + n)-dimensional rotating black holes. Using a Bekenstein argument the condition for the superradiance modes is shown to be 0 < to < m Omega for the scalar, electromagnetic and gravitational waves when the spacetime background has a single angular momentum parameter about an axis on the brane, where Q is a rotational frequency of the black hole and m is an azimuthal quantum number of the radiated wave. (c) 2005 Elsevier B.V. All rights reserved.

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页码：273 / 276

页数：4

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