Higher-dimensional DBI Solitons

Details Higher-dimensional DBI Solitons Higher-dimensional DBI Solitons

2012-01-08

arxiv.org/abs/1201.1591v3

Phys. Rev. D 85, 065014 (2012)

Physics

High Energy Physics

High Energy Physics - Theory

Some notation changed to avoid confusion; accepted for publication in Phys Rev D

Scientific paper

10.1103/PhysRevD.85.065014

We study the theory of a (global) texture with DBI-like Lagrangian, the higher-dimensional generalization of the previously known chiral Born-Infeld theory. This model evades Derrick's theorem and enables the existence of solitonic solutions in arbitrary D-dimensions. We explicitly show the solutions in spherically-symmetric ansatz. These are examples of extended topological solitons. We then investigate the coupling of this theory to gravity, and obtain the static self-gravitating solitonic p-brane solutions. These non-singular branes can be identified as the smooth versions of cosmic p-branes which, in the thin-wall limit, suffers from naked singularities.

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