Nonperturbative methods and extended-hadron models in field theory. III. Four-dimensional non-Abelian models

By analogy with the magnetic vortex of the Landau-Ginzburg theory of superconductivity, we construct extended models of hadrons with SU(2) Yang-Mills fields coupled to fermions and a spontaneous-symmetry-breaking scalar isospinor. These models are in four space-time dimensions.

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