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 the Delfino-Simonetti-Cardy sum rule and further confirmed it by comparing some universal ratios of the nearby non-integrable quantum field theories with their independent numerical determination.
Titolo: | On the form factors of relevant operators and their cluster property |
Autori: | Acerbi C; Mussardo G; Valleriani A |
Rivista: | |
Data di pubblicazione: | 1997 |
Volume: | 30 |
Fascicolo: | 9 |
Pagina iniziale: | 2895 |
Pagina finale: | 2913 |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1088/0305-4470/30/9/007 |
Appare nelle tipologie: | 1.1 Journal article |
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