Phys. Rev. Lett. 49, 1683–1686 (1982)Entropy Evaporated by a Black HoleReceived 30 August 1982; published in the issue dated 6 December 1982 It is shown that the entropy of the radiation evaporated by an uncharged, nonrotating black hole into vacuum in the course of its lifetime is approximately 4/3 times the initial entropy of this black hole. Also considered is a thermodynamically reversible process in which an increase of black-hole entropy is equal to the decrease of the entropy of its surroundings. Implications of these results for the generalized second law of thermodynamics and for the interpretation of black-hole entropy are pointed out. © 1982 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.49.1683
DOI:
10.1103/PhysRevLett.49.1683
PACS:
04.60.+n, 05.70.Ln, 05.90.+m, 97.60.Lf
See AlsoComment: Don N. Page, Comment on "Entropy Evaporated by a Black Hole", Phys. Rev. Lett. 50, 1013 (1983). |
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