Black Brane World from Gravitating Half $\sigma$-lump

Abstract

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.

23 pages, 4 figures, Published version

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Cited by in corpus (1)

• Scalar Hair of Global Defect and Black Brane World