Gravitational and Axionic Backgrounds for Four-dimensional Superstrings
classification
✦ hep-th
keywords
backgroundsconstructfour-dimensionalsuperconformalsymmetriesabelianaxionicbackground
read the original abstract
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.
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