Sectors of Mutually Local Fields in Integrable Models of Quantum Field Theory

1994/06/17 by Michael Lashkevich, M. Yu. Lashkevich, Lashkevich, M. Yu.
Mathematics · Physics and Astronomy · #Algebraic structures and combinatorial models #Black Holes and Theoretical Physics #Nonlinear Waves and Solitons #hep-th

paper · pdf · doi:10.48550/arxiv.hep-th/9406118

a misprint in references corrected

arxiv created 1994/08/10 · arxiv updated 2009/11/30

Abstract

It is known that 2D field theories admit several sectors of mutually local fields so as two fields from different sectors are mutually nonlocal. We show that any one-partical integrable model with \bf Z₂ symmetry contains three sectors: bosonic, fermionic and `disorder' one. We generalize the form factor axioms to fermionic and `disorder' sectors. For the particular case of the sinh-Gordon model we obtain several form factors in these sectors.

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