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Duality Invariance of the Hawking Temperature and Entropy

Gary T. Horowitz, Dean L. Welch

hep-tharXiv:hep-th/9308077

Abstract

We consider solutions to low energy string theory which have a horizon and a spacelike symmetry. Each of these solutions has a geometrically different dual description. We show that the dual solution has a horizon with exactly the same Hawking temperature (surface gravity) and entropy (area) as the original solution.

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