Angular quantization and form-factors in massive integrable models
High Energy Physics - Theory
2009-10-30 v1 Condensed Matter
Quantum Algebra
q-alg
Abstract
We discuss an application of the method of the angular quantization to reconstruction of form-factors of local fields in massive integrable models. The general formalism is illustrated with examples of the Klein-Gordon, sinh-Gordon and Bullough-Dodd models. For the latter two models the angular quantization approach makes it possible to obtain free field representations for form-factors of exponential operators. We discuss an intriguing relation between the free field representations and deformations of the Virasoro algebra. The deformation associated with the Bullough-Dodd models appears to be different from the known deformed Virasoro algebra.
Keywords
Cite
@article{arxiv.hep-th/9707091,
title = {Angular quantization and form-factors in massive integrable models},
author = {V. Brazhnikov and S. Lukyanov},
journal= {arXiv preprint arXiv:hep-th/9707091},
year = {2009}
}
Comments
23 pages, harvmac.tex