Two-loop beta functions of the Sine-Gordon model
High Energy Physics - Theory
2008-11-26 v2
Abstract
We recalculate the two-loop beta functions in the two-dimensional Sine-Gordon model in a two-parameter expansion around the asymptotically free point. Our results agree with those of Amit et al., J. Phys. A13 (1980) 585.
Cite
@article{arxiv.hep-th/0003258,
title = {Two-loop beta functions of the Sine-Gordon model},
author = {Janos Balog and Arpad Hegedus},
journal= {arXiv preprint arXiv:hep-th/0003258},
year = {2008}
}
Comments
6 pages, LaTeX, some corrections