Black hole entropy as entanglement entropy: a holographic derivation

Details Black hole entropy as entanglement entropy: a holographic derivation Black hole entropy as entanglement entropy: a holographic derivation

2006-03-10

arxiv.org/abs/hep-th/0603081v3

JHEP0606:012,2006

Physics

High Energy Physics

High Energy Physics - Theory

14 pages, 2 figures. v2: relevant earlier reference added and discussed. v3: new section about connection to another notion of

Scientific paper

10.1088/1126-6708/2006/06/012

We study the possibility that black hole entropy be identified as entropy of entanglement across the horizon of the vacuum of a quantum field in the presence of the black hole. We argue that a recent proposal for computing entanglement entropy using AdS/CFT holography implies that black hole entropy can be exactly equated with entanglement entropy. The implementation of entanglement entropy in this context solves all the problems (such as cutoff dependence and the species problem) typically associated with this identification.

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