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
收藏
页数：35
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