Black Hole Entropy in the O(N) Model

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dc.creatorKabat, D.
dc.creatorShenker, S. H.
dc.creatorStrassler, M. J.
dc.date1995-06-27
dc.date1995-07-18
dc.date.accessioned2026-07-07T11:35:57Z
dc.date.available2026-07-07T11:35:57Z
dc.descriptionWe consider corrections to the entropy of a black hole from an $O(N)$ invariant linear $\s$-model. We obtain the entropy from a $1/N$ expansion of the partition function on a cone. The entropy arises from diagrams which are analogous to those introduced by Susskind and Uglum to explain black hole entropy in string theory. The interpretation of the \sm entropy depends on scale. At short distances, it has a state counting interpretation, as the entropy of entanglement of the $N$ fields $\pa$. In the infrared, the effective theory has a single composite field $\s \sim \pa \pa$, and the state counting interpretation of the entropy is lost.
dc.description21 pages, uses harvmac and epsf. one additional reference
dc.identifierhttps://arxiv.org/abs/hep-th/9506182
dc.identifierhttp://arxiv.org/abs/hep-th/9506182
dc.identifierPhys.Rev.D52:7027-7036,1995
dc.identifierdoi:10.1103/PhysRevD.52.7027
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/198766
dc.subjectHigh Energy Physics - Theory
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleBlack Hole Entropy in the O(N) Model
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