Spin-$S$ generalization of fractional exclusion statistics

Details Spin-$S$ generalization of fractional exclusion statistics Spin-$S$ generalization of fractional exclusion statistics

1995-07-31

arxiv.org/abs/cond-mat/9507143v1

Physics

Condensed Matter

11pages, REVTEX

Scientific paper

10.1143/JPSJ.65.1617

We study fractional exclusion statistics for quantum systems with SU(2) symmetry (arbitrary spin $S$), by generalizing the thermodynamic equations with squeezed strings proposed by Ha and Haldane. The bare hole distributions as well as the statistical interaction defined by an infinite-dimensional matrix specify the universality class. It is shown that the system is described by the level-$2S$ WZW model and has a close relationship to non-abelian fractional quantum Hall states. As a low-energy effective theory, the sector of {\it massless} Z$_{2S}$ parafermions is extracted, whose statistical interaction is given by a finite-dimensional matrix.

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