The Exact Tachyon Beta-Function for the Wess-Zumino-Witten Model

Details The Exact Tachyon Beta-Function for the Wess-Zumino-Witten Model The Exact Tachyon Beta-Function for the Wess-Zumino-Witten Model

1993-10-06

arxiv.org/abs/hep-th/9310029v1

Mod.Phys.Lett. A9 (1994) 259-270

Physics

High Energy Physics

High Energy Physics - Theory

13pp, uses harvmac (with figures appended as a a standard PostScript file), LTH 317

Scientific paper

10.1142/S0217732394000277

We derive an exact expression for the tachyon $\beta$-function for the
Wess-Zumino-Witten model. We check our result up to three loops by calculating
the three-loop tachyon $\beta$-function for a general non-linear $\sigma$-model
with torsion, and then specialising to the case of the WZW model.

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