Gravitating sigma model solitons

model coupled to (2+1)-dimensional anti-de Sitter gravity. The obtained solutions are not self-dual under static metric. The usual regular topological lump solution cannot form a black hole even though the scale of symmetry breaking is increased. There exist nontopological solitons of half integral winding in a given model, and the corresponding spacetimes involve charged Ba

\tilde n

ados-Teitelboim-Zanelli black holes without non-Abelian scalar hair.

Note:

35 pages, RevTeX

sigma model: nonlinear
gravitation
dimension: 3
space-time: anti-de Sitter
graviton
symmetry breaking
numerical calculations
bibliography

References(60)

Figures(0)

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