The Form Factors in the Sinh-Gordon Model

Details The Form Factors in the Sinh-Gordon Model The Form Factors in the Sinh-Gordon Model

1997-12-03

arxiv.org/abs/hep-th/9712033v2

Int.J.Mod.Phys. A13 (1998) 4469-4486

Physics

High Energy Physics

High Energy Physics - Theory

21 pages, substantially revised and expanded

Scientific paper

10.1142/S0217751X98002158

The most general solution to the form factor problem in the sinh-Gordon model is presented in an explicit way. The linearly independent classes of solutions correspond to powers of the elementary field. We show how the form factors of exponential operators can be obtained from the general solution by adjusting free parameters. The general formula obtained in the sinh-Gordon case reproduces the form factors of the scaling Lee-Yang model in a certain limit of the coupling constant.

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