Spinon basis for higher level SU(2) WZW models
Abstract
We propose a spinon basis for the integrable highest weight modules of at levels k≥1, and discuss the underlying Yangian symmetry. Evaluating the characters in this spinon basis provides new quasi-particle type expressions for the characters of these integrable modules, and explicitly exhibits the structure of an RSOS times a Yangian part, known from S-matrix results. We briefly discuss generalizations to other groups and more general conformal field theories.
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