Black Brane World from Gravitating Half $σ$-lump

Details Black Brane World from Gravitating Half $σ$-lump Black Brane World from Gravitating Half $σ$-lump

2004-01-13

arxiv.org/abs/hep-th/0401085v3

JHEP 0401 (2004) 053

Physics

High Energy Physics

High Energy Physics - Theory

23 pages, 4 figures, Published version

Scientific paper

10.1088/1126-6708/2004/01/053

We study O($N+1$) nonlinear $\sigma$-model in $(p+1+N)$-dimensional curved spacetime with negative cosmological constant, and find a new $\sigma$-lump solution with half-integer winding and divergent energy. When the spatial structure of $N$ extra-dimensions is determined by this global defect, a black $\sigma p$-brane surrounded by the degenerated horizon is formed and its near-horizon geometry is identified as a warp geometry of cigar type.

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