Two-loop beta-functions of the sine-Gordon model

Citation
J. Balog et A. Hegedus, Two-loop beta-functions of the sine-Gordon model, J PHYS A, 33(37), 2000, pp. 6543-6547
Citations number
8
Categorie Soggetti
Physics
Journal title
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL
ISSN journal
03054470 → ACNP
Volume
33
Issue
37
Year of publication
2000
Pages
6543 - 6547
Database
ISI
SICI code
0305-4470(20000922)33:37<6543:TBOTSM>2.0.ZU;2-V
Abstract
We recalculate the two-loop beta-functions in the two-dimensional sine-Gord on model in a two-parameter expansion around the asymptotically free point. Our results agree with those of Amit et al (Amit D J, Goldschmidt Y Y and Grinstein G 1980 J. Phys. A: Math. Gen. 13 585).