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Three-Dimensional Black Holes and String Theory

D. Birmingham, I. Sachs, S. Sen

hep-tharXiv:hep-th/9707188

Abstract

The exact decay rate for emission of massless minimally coupled scalar fields by a non-extremal black hole in 2+1 dimensions is obtained. At low energy, the decay rate into scalars with zero angular momentum is correctly reproduced within conformal field theory. The conformal field theory has both left- and right-moving sectors and their contribution to the decay rate is associated naturally with left and right temperatures of the black hole.

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