Junctions of mass-deformed nonlinear sigma models on the Grassmann manifold
Abstract
We study vacua and walls of the mass-deformed nonlinear sigma model on the Grassmann manifold GNF,NC=SU(NF)SU(NC)× SU(NF-NC)× U(1) and discuss three-pronged junctions for NC=1,2,3 in four dimensions.
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