Form factors of exponential operators and exact wave function renormalization constant in the Bullough-Dodd model

被引：15

作者：

Acerbi, C ^{[1
]}

机构：

[1] IST NAZL FIS NUCL, I-34014 TRIESTE, ITALY

来源：

NUCLEAR PHYSICS B | 1997年 / 497卷 / 03期

关键词：

form factors; two-dimensional integrable models; integrable deformations of conformal field theory;

D O I：

10.1016/S0550-3213(97)00303-9

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 compute the form factors of exponential operators e(kg phi(x)) in the two-dimensional integrable Bullough-Dodd model (a(2)((2))) affine Toda field theory). These form factors are selected among the solutions of general non-derivative scalar operators by their asymptotic cluster property. Through analytical continuation to complex values of the coupling constant these solutions permit to compute the form factors of scaling relevant primary fields in the lightest-breather sector of integrable phi(1,2) and phi(1,5) deformations of conformal minimal models. We also obtain the exact wave-function renormalization constant Z(g) of the model and the properly normalized form factors of the operators phi(x) and : phi(2)(x) :. (C) 1997 Elsevier Science B.V.

引用

页码：589 / 610

页数：22

共 34 条

[1] Form factors and correlation functions of the stress-energy tensor in massive deformation of the minimal models (E(n))(1)circle times(E(n))(1)/(E(n))(2) [J].