Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1994-08-26
Phys.Lett. B347 (1995) 21-27
Physics
High Energy Physics
High Energy Physics - Theory
11 pages Latex, FIT-HE-94-81
Scientific paper
10.1016/0370-2693(95)00057-R
We have examined effective theory induced by gauged WZW models, in which the tachyon field is added as a marginal operator. Due to this operator added, we must further add the higher order corrections, which modifies the original configuration, to make the theory full-conformally invariant. It has been found that 2d is a critical dimension in the sense that the metric obtained from gauged WZW is modified by the tachyon condensation for $d>2$, but not for $d\le 2$.
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