Critical behavior in black hole thermodynamics

Abstract

In this talk I introduce the critical behavior occurring at the extremal limit of black holes. The extremal limit of black holes is a critical point and a phase transition takes place from the extremal black holes to their nonextremal counterparts. Some critical exponents satisfying the scaling laws are obtained. From the scaling laws we introduce the concept of the effective dimension of black holes and discuss the relationship between the critical behavior and the statistical interpretation of black hole entropy.

arXiv commentRevtex, 5 pages, talk given at 5th Italian-Korean Symposium on Relativistic Astrophysics, Seoul and Suanbo, Korea, 1-7 Sept.1997

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