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arXiv · hep-th/9511064

Internal Structure of Black Holes

Finn Larsen·Frank Wilczek
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Abstract

We present a number of qualitative arguments which strongly suggest that extremal dyonic black holes in the 4--dimensional low energy, classical field theory limit of toroidally compactified heterotic string theory represent largely degenerate classes of states in the quantum theory. We propose a simple expression for the full non--perturbative degeneracy, which contains no free continuous parameters and reproduces the Bekenstein-Hawking $S={A\over 4G_N}$ in the large-area limit (with the ${1\over 4}$ arising from microphysics). We sketch the elements of a physical picture leading to this expression: the holes support much hair, such that in counting it we are led to an effective string theory, and a matching condition whose solutions give the degeneracy.

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Finn Larsen, Frank Wilczek. 1995-11-09. Internal Structure of Black Holes. https://doi.org/10.1016/0370-2693(96)00220-1

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