Counting Schwarzschild and charged black holes

Edi Halyo*, Barak Kol, Arvind Rajaraman, Leonard Susskind

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

64 Scopus citations

Abstract

We review the arguments that fundamental string states are in one to one correspondence with black hole states. We demonstrate the power of the assumption by showing that it implies that the statistical entropy of a wide class of nonextreme black holes occurring in string theory is proportional to the horizon area. However, the numerical coefficient relating the area and entropy only agrees with the Bekenstein-Hawking formula if the central charge of the string is six which does not correspond to any known string theory. Unlike the current D-brane methods the method used in this paper is applicable for the case of Schwarzschild and highly non-extreme charged black holes.

Original languageEnglish
Pages (from-to)15-20
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume401
Issue number1-2
DOIs
StatePublished - 22 May 1997
Externally publishedYes

Bibliographical note

Funding Information:
We would like to thank G.W. Gibbons, S.R. Das and G. Mandal for discussions.W e would also like to thank J. Maldacena, S.D. Mathur and S. de Alwis for discussions and especially for pointing out that agreement with the Hawking Bekenstein formula requires c = 6. The work of B.K and L.S. is supportedb y NSF grant PHY-9219345. The work of A.R is supportedi n part by the Departmento f Energy under contract no. DE-AC03-76SF005 15.

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