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Article
Report number arXiv:0704.2440 ; MAD-TH-07-05 ; CERN-PH-TH-2007-070 ; CERN-PH-TH-2007-070 ; MAD-TH-07-05
Title Black Holes and Large Order Quantum Geometry
Author(s) Huang, Min-xin (Wisconsin U., Madison) ; Klemm, Albrecht (Wisconsin U., Madison ; Wisconsin U., Madison, Math. Dept.) ; Marino, Marcos (CERN) ; Tavanfar, Alireza (CERN ; IPM, Tehran)
Publication 2009
Imprint 20 Apr 2007
Number of pages 42
In: Phys. Rev. D 79 (2009) 066001
DOI 10.1103/PhysRevD.79.066001
Subject category Particle Physics - Theory
Abstract We study five-dimensional black holes obtained by compactifying M theory on Calabi-Yau threefolds. Recent progress in solving topological string theory on compact, one-parameter models allows us to test numerically various conjectures about these black holes. We give convincing evidence that a microscopic description based on Gopakumar-Vafa invariants accounts correctly for their macroscopic entropy, and we check that highly nontrivial cancellations -which seem necessary to resolve the so-called entropy enigma in the OSV conjecture- do in fact occur. We also study analytically small 5d black holes obtained by wrapping M2 branes in the fiber of K3 fibrations. By using heterotic/type II duality we obtain exact formulae for the microscopic degeneracies in various geometries, and we compute their asymptotic expansion for large charges.

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 Record created 2007-05-05, last modified 2023-05-24


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