On area and entropy of a black hole

被引：47
|
作者：
Alekseev, A
Polychronakos, AP
Smedbäck, A
机构：
[1] Uppsala Univ, Inst Theoret Phys, S-75108 Uppsala, Sweden
[2] Univ Geneva, Sect Math, CH-1211 Geneva 24, Switzerland
[3] CUNY City Coll, Dept Phys, New York, NY 10031 USA
来源：
PHYSICS LETTERS B | 2003年 / 574卷 / 3-4期
关键词：
D O I：
10.1016/j.physletb.2003.08.062
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We consider a model of a black hole consisting of a number of elementary components. Examples of such models occur in loop quantum gravity and in M-theory. We show that treating the elementary components as completely distinguishable leads to the area law for the black hole entropy. Contrary to previous results, we show that no Bose condensation occurs and that the horizon area has big local fluctuations. We discuss a regularization which leads to the equidistant area spectrum in loop quantum gravity. (C) 2003 Published by Elsevier B.V.
引用
收藏
页码：296 / 300
页数：5
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