On the form factors of relevant operators and their cluster property

被引:13
作者
Acerbi, C
Mussardo, G
Valleriani, A
机构
[1] IST NAZL FIS NUCL, SEZ TRIESTE, TRIESTE, ITALY
[2] INT CTR THEORET PHYS, I-34014 TRIESTE, ITALY
来源
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL | 1997年 / 30卷 / 09期
关键词
D O I
10.1088/0305-4470/30/9/007
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
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.
引用
收藏
页码:2895 / 2913
页数:19
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