Kinks in a nonlinear massive sigma model.
We describe the kink solitary waves of a massive nonlinear sigma model with an S2 sphere as the target manifold. Our solutions form a moduli space of nonrelativistic solitary waves in the long wavelength limit of ferromagnetic linear spin chains.
Departamento de Matematica Aplicada and IUFFyM, Universidad de Salamanca, Spain.
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Alonso-Izquierdo
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MA
Gonzalez Leon
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Mateos Guilarte