The temperature and entropy of CFT on time-dependent backgrounds

被引：0
|
作者：
N. Tetradis
机构：
[1] University of Athens,Department of Physics
[2] Stanford University,Department of Physics
来源：
Journal of High Energy Physics | / 2010卷
关键词：
Gauge-gravity correspondence; AdS-CFT Correspondence; Black Holes;
D O I：
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中图分类号：
学科分类号：
摘要：
We express the AdS-Schwarzschild black-hole configuration in coordinates such that the boundary metric is of the FLRW type. We review how this construction can be used in order to calculate the stress-energy tensor of the dual CFT on the FLRW background. We deduce the temperature and entropy of the CFT, which are related to the temperature and entropy of the black hole. We find that the entropy is proportional to the area of an apparent horizon, different from the black-hole event horizon. For a dS boundary we reproduce correctly the intrinsic temperature of dS space.
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