Non-singular Twisted S-branes From Rotating Branes

Details Non-singular Twisted S-branes From Rotating Branes Non-singular Twisted S-branes From Rotating Branes

2004-03-25

arxiv.org/abs/hep-th/0403248v1

JHEP 0407:050,2004

Physics

High Energy Physics

High Energy Physics - Theory

Latex, 20 pages

Scientific paper

10.1088/1126-6708/2004/07/050

We show that rotating p-brane solutions admit an analytical continuation to become twisted Sp-branes. Although a rotating p-brane has a naked singularity for large angular momenta, the corresponding S-brane configuration is regular everywhere and exhibits a smooth bounce between two phases of Minkowski spacetime. If the foliating hyperbolic space of the transverse space is of even dimension, such as for the twisted SM5-brane, then for an appropriate choice of parameters the solution smoothly flows from a warped product of two-dimensional de Sitter spacetime, five-dimensional Euclidean space and a hyperbolic 4-space in the infinite past to Minkowski spacetime in the infinite future. We also show that non-singular S-Kerr solutions can arise from higher-dimensional Kerr black holes, so long as all (all but one) angular momenta are non-vanishing for even (odd) dimensions.

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