On the entropy of a quantum field in 2+1 dimensional spinning black holes

被引：24
|
作者：
Lee, MH
Kim, HC
Kim, JK
机构：
[1] Department of Physics, Korea Adv. Inst. Sci. and Technol., Yusung-ku, Taejon 305-701
来源：
PHYSICS LETTERS B | 1996年 / 388卷 / 03期
关键词：
D O I：
10.1016/S0370-2693(96)01178-1
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We calculate the entropy of a scalar field in a rotating black hole in 2 + 1 dimension. In the Hartle-Hawking state the entropy is proportional to the horizon area, but diverges linearly in root h where h is the radial cut-off. In the WKB approximation the superradiant modes do not contribute to the entropy.
引用
收藏
页码：487 / 493
页数：7
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