Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2001-08-01
Phys.Rev.D65:024012,2002
Physics
High Energy Physics
High Energy Physics - Theory
30 pages, LaTeX, 8 eps figures. v2: references added. v3: more references
Scientific paper
10.1103/PhysRevD.65.024012
We use a 0-brane to probe a ten-dimensional near-extremal black hole with N units of 0-brane charge. We work directly in the dual strongly-coupled quantum mechanics, using mean-field methods to describe the black hole background non-perturbatively. We obtain the distribution of W boson masses, and find a clear separation between light and heavy degrees of freedom. To localize the probe we introduce a resolving time and integrate out the heavy modes. After a non-trivial change of coordinates, the effective potential for the probe agrees with supergravity expectations. We compute the entropy of the probe, and find that the stretched horizon of the black hole arises dynamically in the quantum mechanics, as thermal restoration of unbroken U(N+1) gauge symmetry. Our analysis of the quantum mechanics predicts a correct relation between the horizon radius and entropy of a black hole.
Iizuka Norihiro
Kabat Daniel
Lifschytz Gilad
Lowe David A.
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