A modified version of the Ishimori model endowed with SU(1,1) symmetry is proposed. Some classes of both rational and biperiodic exact singular solutions are obtained. These solutions are characterized by a topological charge.
A noncompact spin model in (2+1)-dimensions
LEO, Rosario Antonio;MARTINA, Luigi;SOLIANI, Giulio
1990-01-01
Abstract
A modified version of the Ishimori model endowed with SU(1,1) symmetry is proposed. Some classes of both rational and biperiodic exact singular solutions are obtained. These solutions are characterized by a topological charge.File in questo prodotto:
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