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Integrable anyon chains: From fusion rules to face models to effective field theories

Finch, Peter E. ; Flohr, Michael ; Frahm, Holger

Nuclear physics. B, 2014-12, Vol.889 (C), p.299-332 [Periódico revisado por pares]

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Título:
Integrable anyon chains: From fusion rules to face models to effective field theories
Autor: Finch, Peter E. ; Flohr, Michael ; Frahm, Holger
É parte de: Nuclear physics. B, 2014-12, Vol.889 (C), p.299-332
Descrição: Starting from the fusion rules for the algebra SO(5)2 we construct one-dimensional lattice models of interacting anyons with commuting transfer matrices of ‘interactions round the face’ (IRF) type. The conserved topological charges of the anyon chain are recovered from the transfer matrices in the limit of large spectral parameter. The properties of the models in the thermodynamic limit and the low energy excitations are studied using Bethe ansatz methods. Two of the anyon models are critical at zero temperature. From the analysis of the finite size spectrum we find that they are effectively described by rational conformal field theories invariant under extensions of the Virasoro algebra, namely WB2 and WD5, respectively. The latter contains primaries with half and quarter spin. The modular partition function and fusion rules are derived and found to be consistent with the results for the lattice model.
Editor: Elsevier B.V
Idioma: Inglês

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