Gravitational and Axionic Backgrounds for Four-dimensional Superstrings

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We construct new four-dimensional superstring vacua with extended superconformal symmetries. A non-trivial dilaton background implies the existence of Abelian killing symmetries. These are used to construct dual equivalent backgrounds in a way preserving the N=2 superconformal invariance.
(Talk given at the EPS 93 Conference at Marseilles, 7 pages, HUB-IEP-93/7

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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/53751

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-th/9312025
 http://arxiv.org/abs/hep-th/9312025

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arXiv