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Exact duality in the string effective action

We formulate [sigma]-model duality transformations in terms of spin connection. This allows one to investigate the symmetry of the string action including higher order [alpha][prime] corrections. An important feature of the new duality transformations is a simple homogeneous transformation rule of t...

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Bibliographic Details
Published in:Physical review. D, Particles and fields Particles and fields, 1994-06, Vol.49 (12), p.6663-6673
Main Authors: Bergshoeff, E, Entrop, I, I, Kallosh, R
Format: Article
Language:English
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Summary:We formulate [sigma]-model duality transformations in terms of spin connection. This allows one to investigate the symmetry of the string action including higher order [alpha][prime] 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 find that under certain conditions this duality is a symmetry of the full effective string action in the target space, free of [alpha][prime] corrections. We demonstrate how the exact duality generates new fundamental string solutions from supersymmetric string waves.
ISSN:0556-2821
1089-4918
DOI:10.1103/PhysRevD.49.6663