Expectation values of boundary fields in the boundary sine-Gordon model
High Energy Physics - Theory
2016-09-06 v1 Condensed Matter
Quantum Algebra
q-alg
Abstract
We propose an explicit expression for vacuum expectation values of the boundary field e^{ia\phi_{B}} in the boundary sine-Gordon model with zero bulk mass. This expression agrees with known exact results for the boundary free energy and with perturbative calculations.
Keywords
Cite
@article{arxiv.hep-th/9702190,
title = {Expectation values of boundary fields in the boundary sine-Gordon model},
author = {V. Fateev and S. Lukyanov and A. Zamolodchikov and Al. Zamolodchikov},
journal= {arXiv preprint arXiv:hep-th/9702190},
year = {2016}
}
Comments
7 pages, harvmac.tex