Exact Duality in String Effective Action

Details Exact Duality in String Effective Action Exact Duality in String Effective Action

1994-01-07

arxiv.org/abs/hep-th/9401025v2

Phys.Rev.D49:6663-6673,1994

Physics

High Energy Physics

High Energy Physics - Theory

23 p, Stanford University preprint SU-ITP-93-37 (some references added)

Scientific paper

10.1103/PhysRevD.49.6663

We formulate sigma-model duality transformations in terms of spin connection. This allows to investigate the symmetry of the string action including higher order $\alpha'$ corrections. An important feature of the new duality transformations is a simple homogeneous transformation rule of the spin connection (with torsion) and specifically adjusted transformation of the Yang-Mills field. We have found that under certain conditions this duality is a symmetry of the full effective string action in the target space, free of $\alpha'$ corrections. We demonstrate how the exact duality generates new fundamental string solutions from supersymmetric string waves.

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