paper

Higher-dimensional resolution of dilatonic black hole singularities

arXiv:hep-th/9410073 · doi:10.1088/0264-9381/12/2/004

Abstract

We show that the four-dimensional extreme dilaton black hole with dilaton coupling constant can be interpreted as a {\it completely non-singular}, non-dilatonic, black -brane in dimensions provided that is {\it odd}. Similar results are obtained for multi-black holes and dilatonic extended objects in higher spacetime dimensions. The non-singular black -brane solutions include the self-dual three brane of ten-dimensional N=2B supergravity and a multi-fivebrane solution of eleven-dimensional supergravity. In the case of a supersymmetric non-dilatonic -brane solution of a supergravity theory, we show that it saturates a bound on the energy per unit -volume.

27 pages, R/94/28, UCSBTH-94-35 (Comments added to the discussion section)

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