THE EXACT TACHYON BETA-FUNCTION FOR THE WESS-ZUMINO-WITTEN MODEL

Authors
Citation
I. Jack et Drt. Jones, THE EXACT TACHYON BETA-FUNCTION FOR THE WESS-ZUMINO-WITTEN MODEL, Modern physics letters A, 9(3), 1994, pp. 259-269
Citations number
35
Categorie Soggetti
Physics, Nuclear","Physics, Particles & Fields","Physycs, Mathematical
Journal title
ISSN journal
02177323
Volume
9
Issue
3
Year of publication
1994
Pages
259 - 269
Database
ISI
SICI code
0217-7323(1994)9:3<259:TETBFT>2.0.ZU;2-8
Abstract
We derive an exact expression for the tachyon beta-function for the We ss-Zumino-Witten model. We check our result up to three loops by calcu lating the three-loop tachyon beta-function for a general nonlinear si gma-model with torsion, and then specializing to the case of WZW model .