Where are the BTZ black hole degrees of freedom?

被引：2
|
作者：
Mitchell, Joseph M. [1 ]
机构：
[1] Univ Calif Davis, Dept Phys, Davis, CA 95616 USA
来源：
CLASSICAL AND QUANTUM GRAVITY | 2015年 / 32卷 / 23期
关键词：
2+1-dimensional gravity; BTZ black hole; entropy; ENTROPY; SPACETIME; HORIZONS; FIELD;
D O I：
10.1088/0264-9381/32/23/235009
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Previous derivations of the BTZ black hole entropy from a dual conformal description place the degrees of freedom at spatial infinity. Here it is shown for the non-rotating case that a dual conformal description exists at any location around the black hole, a result that has a strong physical appeal considering that in 2 + 1-dimensions there are no propagating degrees of freedom in the classical theory. Two copies of the central charge of 3l/2G are recovered, and the microcanonical Cardy formula yields the correct Bekenstein-Hawking entropy.
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页数：11
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