Black hole entropy in M-theory

DOI10.1088/1126-6708/1997/12/002zbMATH Open0951.83034arXivhep-th/9711053OpenAlexW1994796114WikidataQ56066181 ScholiaQ56066181MaRDI QIDQ1588797

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Publication date: 4 December 2000

Published in: (Search for Journal in Brave)

Abstract: Extremal black holes in M-theory compactification on $Mimes{S}^1$ are microscopically represented by fivebranes wrapping $Pimes{S}^1$, where $M$ is a Calabi-Yau threefold and $P$ is a four-cycle in $M$. Additional spacetime charges arise from momentum around the $S^1$ and expectation values for the self-dual three-form field strength in the fivebrane. The microscopic entropy of the fivebrane as a function of all the charges is determined from a two-dimensional $(0,4)$ sigma model whose target space includes the fivebrane moduli space. This entropy is compared to the macroscopic formula. Precise agreement is found for both the tree-level and one-loop expressions.

Full work available at URL: https://arxiv.org/abs/hep-th/9711053

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