Quantum source of entropy for black holes

Luca Bombelli, Rabinder K. Koul, Joohan Lee, and Rafael D. Sorkin
Phys. Rev. D 34, 373 – Published 15 July 1986
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Abstract

We associate to any quantum field propagating in the background metric of a black hole an effective density matrix whose statistical entropy can be interpreted as a contribution to the total entropy of the black hole. By evaluating this contribution in a simplified case, we show that in general it can be expected to be finite and proportional to the area of the black hole. As a by-product of our calculation we obtain a general expression for the entropy of any real Gaussian density matrix.

  • Received 25 March 1986

DOI:https://doi.org/10.1103/PhysRevD.34.373

©1986 American Physical Society

Authors & Affiliations

Luca Bombelli, Rabinder K. Koul, Joohan Lee, and Rafael D. Sorkin

  • Physics Department, Syracuse University, Syracuse, New York 13244-1130

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Issue

Vol. 34, Iss. 2 — 15 July 1986

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