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Form factors of soliton-creating operators in the sine-Gordon model

2001; Elsevier BV; Volume: 607; Issue: 3 Linguagem: Inglês

10.1016/s0550-3213(01)00262-0

1873-1562

Sergei L. Lukyanov, Alexander B. Zamolodchikov,

Quantum Chromodynamics and Particle Interactions

We propose explicit expressions for the form factors, including their normalization constants, of topologically charged (or soliton-creating) operators in the sine-Gordon model. The normalization constants, which constitute the main content of our proposal, allow one to find exact relations between the short- and long-distance asymptotics of the correlation functions. We make predictions concerning asymptotics of fermion correlation functions in the massive Thirring model, SU(2)–Thirring model with anisotropy, and in the half-filled Hubbard chain.