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Microstates of Non-supersymmetric Black Holes

Atish Dabholkar
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Abstract

A five-dimensional dyonic black hole in Type-I theory is considered that is extremal but non-supersymmetric. It is shown that the Bekenstein-Hawking entropy of this black hole counts precisely the microstates of a D-brane configuration with the same charges and mass, even though there is no apparent supersymmetric nonrenormalization theorem for the mass. A similar result is known for the entropy at the stretched horizon of electrically charged, extremal, but non-supersymmetric black holes in heterotic string theory. It is argued that classical nonrenormalization of the mass may partially explain this result.

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Atish Dabholkar. 1997-03-19. Microstates of Non-supersymmetric Black Holes. https://doi.org/10.1016/s0370-2693(97)00439-5

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