Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-05-12
Int.J.Mod.Phys. A14 (1999) 2257-2272
Physics
High Energy Physics
High Energy Physics - Theory
17 pages, Latex
Scientific paper
10.1142/S0217751X99001135
We consider target space duality transformations for heterotic sigma models and strings away from renormalization group fixed points. By imposing certain consistency requirements between the T-duality symmetry and renormalization group flows, the one loop gauge beta function is uniquely determined, without any diagram calculations. Classical T-duality symmetry is a valid quantum symmetry of the heterotic sigma model, severely constraining its renormalization flows at this one loop order. The issue of heterotic anomalies and their cancelation is addressed from this duality constraining viewpoint.
Olsen Kasper
Schiappa Ricardo
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