Horizon-entropy increase laws for spherically symmetric horizons in Brans-Dicke theory

被引：2
|
作者：
Nielsen, Alex B. [1 ]
机构：
[1] Max Planck Inst Gravitat Phys, D-14476 Golm, Germany
来源：
SPANISH RELATIVITY MEETING (ERE 2010): GRAVITY AS A CROSSROAD IN PHYSICS | 2011年 / 314卷
关键词：
BLACK-HOLES; HAWKING RADIATION;
D O I：
10.1088/1742-6596/314/1/012094
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We derive the horizon-entropy increase law for spherically symmetric quasi-local horizons in Brans-Dicke theory. The quasi-local horizons used do not marginally trap null rays, and hence are not apparent horizons or foliated by marginally trapped surfaces, but instead have instantaneously constant gravitational entropy in the outgoing null direction. The relation derived has a very direct comparison with the horizon-entropy increase law for event horizons.
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页数：4
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