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12 April 2021
 
  » arxiv » hep-th/9612178

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From path representations to global morphisms for a class of minimal models
Andreas Recknagel ;
Date 17 Dec 1996
Journal Commun.Math.Phys. 201 (1999) 365-409
Subject hep-th
AffiliationETH Zuerich
AbstractWe construct global observable algebras and global DHR morphisms for the Virasoro minimal models with central charge c(2,q), q odd. To this end, we pass {}from the irreducible highest weight modules to path representations, which involve fusion graphs of the c(2,q) models. The paths have an interpretation in terms of quasi-particles which capture some structure of non-conformal perturbations of the c(2,q) models. The path algebras associated to the path spaces serve as algebras of bounded observables. Global morphisms which implement the superselection sectors are constructed using quantum symmetries: We argue that there is a canonical semi-simple quantum symmetry algebra for each quasi-rational CFT, in particular for the c(2,q) models. These symmetry algebras act naturally on the path spaces, which allows to define a global field algebra and covariant multiplets therein.
Source arXiv, hep-th/9612178
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