Scalar emission in the bulk in a rotating black hole background

被引：43

作者：

Creek, S.

Efthimiou, O.

Kanti, P.

Tamvakis, K.

机构：

[1] Univ Durham, Dept Math Sci, Durham DH1 3LE, England

[2] Univ Ioannina, Dept Phys, Div Theoret Phys, GR-45110 Ioannina, Greece

来源：

PHYSICS LETTERS B | 2007年 / 656卷 / 1-3期

关键词：

D O I：

10.1016/j.physletb.2007.09.050

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study the emission of scalars into the bulk from a higher-dimensional rotating black hole. We obtain an analytic solution to the field equation by employing matching techniques on expressions valid in the near-horizon and far-field regimes. Both analytic and numerical results for the absorption probability, in the low-energy and low-angular momentum limit, are derived and found to be in excellent agreement. We also compute the energy emission rate, and show that the brane-to-bulk ratio of the energy emission rates for scalar fields remains always larger than unity in the aforementioned regime. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：102 / 111

页数：10

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