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Semiclassical Extremal Blackholes

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arxiv hep-th/9211011 v2 pith:ME6GEWYQ submitted 1992-11-03 hep-th

classification hep-th
keywords blackdimensionaldimensionsextremalfourgeometryhorizonappear
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Extremal black holes are studied in a two dimensional model motivated by a dimensional reduction from four dimensions. Their quantum corrected geometry is calculated semiclassically and a mild singularity is shown to appear at the horizon. Extensions of the geometry past the horizon are not unique but there are continuations free from malevolent singularities. A few comments are made about the relevance of these results to four dimensions and to the study of black hole entropy and information loss.

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Cited by 2 Pith papers

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