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ID: 288722.0, MPI für Gravitationsphysik / Quantum Gravity and Unified Theories
Entanglement as a source of black hole entropy
Authors:Das, Saurya; Shankaranarayanan, Subramaniam
Date of Publication (YYYY-MM-DD):2007
Title of Journal:Journal of Physics: Conference Series
Volume:68
Sequence Number of Article:012015
Review Status:not specified
Audience:Not Specified
Abstract / Description:We review aspects of black hole thermodynamics, and show how entanglement of a quantum field between the inside and outside of a horizon can account for the area-proportionality of black hole entropy, provided the field is in its ground state. We show that the result continues to hold for Coherent States and Squeezed States, while for Excited States, the entropy scales as a power of area less than unity. We also identify location of the degrees of freedom which give rise to the above entropy.
External Publication Status:published
Document Type:Article
Communicated by:Hermann Nicolai
Affiliations:MPI für Gravitationsphysik/Quantum Gravity and Unified Theories
Identifiers:URL:http://www.iop.org/EJ/abstract/1742-6596/68/1/0120...
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