We use the exact scattering description of the scaling Ashkin-Teller model in two dimensions to compute the two-particle form factors of the relevant operators. These provide an approximation for the correlation functions whose accuracy is tested against exact sum rules.

Off-critical correlations in the Ashkin-Teller model / Delfino, Gesualdo. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 450:1-3(1999), pp. 196-201. [10.1016/S0370-2693(99)00123-9]

Off-critical correlations in the Ashkin-Teller model

Delfino, Gesualdo
1999-01-01

Abstract

We use the exact scattering description of the scaling Ashkin-Teller model in two dimensions to compute the two-particle form factors of the relevant operators. These provide an approximation for the correlation functions whose accuracy is tested against exact sum rules.
1999
450
1-3
196
201
Delfino, Gesualdo
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11767/13064
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