4d neutral dilatonic black holes and (4+p) dimensional nondilatonic black p-branes
Abstract
Description
It is shown that, in contrast to the case of extreme 4d dilatonic black holes, 4d neutral dilatonic black holes with horizon singularities can not be interpreted as nonsingular nondilatonic black p-branes in (4+p) dimensions, regardless of the number of extra dimensions p. That is, extra dimensions do not remove naked singularities of 4d neutral dilatonic black holes.
6 pages, no figs. To appear in Nuovo Cim B
6 pages, no figs. To appear in Nuovo Cim B