Black-Hole Entropy as Causal Links

被引：0
作者：
Djamel Dou
Rafael D. Sorkin
机构：
[1] University Center of Eloued,Institute of Exact Science and Technology
[2] Syracuse University,Department of Physics
来源：
Foundations of Physics | 2003年 / 33卷
关键词：
black holes; causal sets; quantum gravity; discrete spacetime; horizon entropy; statistical mechanics;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We model a black hole spacetime as a causal set and count, with a certain definition, the number of causal links crossing the horizon in proximity to a spacelike or null hypersurface Σ. We find that this number is proportional to the horizon's area on Σ, thus supporting the interpretation of the links as the “horizon atoms” that account for its entropy. The cases studied include not only equilibrium black holes but ones far from equilibrium.
引用
收藏
页码：279 / 296
页数：17
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