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arxiv: hep-th/9603195 · v1 · pith:2CGX5BQRnew · submitted 1996-03-29 · ✦ hep-th · gr-qc

Statistical Entropy of Nonextremal Four-Dimensional Black Holes and U-Duality

classification ✦ hep-th gr-qc
keywords blackholesentropyfour-dimensionalnear-extremalstatesbekenstein-hawkingderived
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We identify the states in string theory which are responsible for the entropy of near-extremal rotating four-dimensional black holes in $N=8$ supergravity. For black holes far from extremality (with no rotation), the Bekenstein-Hawking entropy is exactly matched by a mysterious duality invariant extension of the formulas derived for near-extremal black holes states.

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  1. An extremal black hole with a unique ground state

    hep-th 2024-11 unverdicted novelty 6.0

    Microscopic D-brane description of non-supersymmetric extremal black holes yields a unique ground state with non-zero energy, confirming absence of degeneracy.