Form factor approach to diagonal finite volume matrix elements in Integrable QFT

被引：21

作者：

Pozsgay, Balazs ^{[1
]}

机构：

[1] MTA BME Momentum Stat Field Theory Res Grp, H-1111 Budapest, Hungary

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2013年 / 07期

关键词：

Integrable Field Theories; Exact S-Matrix; THERMODYNAMIC BETHE-ANSATZ; QUANTUM-FIELD THEORIES; TEMPERATURE CORRELATION-FUNCTIONS; EXCITED-STATES; SCALING FUNCTIONS; ENERGY-SPECTRUM; LATTICE MODELS; DEPENDENCE; BOOTSTRAP; EQUATION;

D O I：

10.1007/JHEP07(2013)157

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We derive an exact formula for finite volume excited state mean values of local operators in 1+1 dimensional Integrable QFT with diagonal scattering. Our result is a non-trivial generalization of the LeClair-Mussardo series, which is a form factor expansion for finite size ground state mean values.

引用

页数：35

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