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arXiv · hep-th/9609080

On the Form Factors of Relevant Operators and their Cluster Property

C. Acerbi·G. Mussardo·A. Valleriani
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Abstract

We compute the Form Factors of the relevant scaling operators in a class of integrable models without internal symmetries by exploiting their cluster properties. Their identification is established by computing the corresponding anomalous dimensions by means of Delfino--Simonetti--Cardy sum--rule and further confirmed by comparing some universal ratios of the nearby non--integrable quantum field theories with their independent numerical determination.

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C. Acerbi, G. Mussardo, A. Valleriani. 1996-09-10. On the Form Factors of Relevant Operators and their Cluster Property. https://doi.org/10.1088/0305-4470%2F30%2F9%2F007

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