BPS Walls and Junctions in ${\cal N}=1$ SUSY Nonlinear Sigma Models

Details BPS Walls and Junctions in ${\cal N}=1$ SUSY Nonlinear Sigma Models BPS Walls and Junctions in ${\cal N}=1$ SUSY Nonlinear Sigma Models

2002-10-22

arxiv.org/abs/hep-th/0210205v2

Physics

High Energy Physics

High Energy Physics - Theory

Talk at the third international Sakharov conference on Physics, 24-29 June 2002, to appear in the Proceedings, references adde

Scientific paper

The ${\cal N}=1$ SUSY nonlinear sigma models in four spacetime dimensions are studied to obtain BPS walls and junctions. A nonlinear sigma model with a single chiral scalar superfield is found which has a moduli space of the topology of $S^1$ and admits BPS walls and junctions connecting arbitrary points in moduli space. New BPS junction solutions connecting $N$ discrete vacua are also found for nonlinear sigma models with several chiral scalar superfields. More detailed exposition of our results can be found in Ref.\cite{NNS}.

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