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Duality invariant class of exact string backgrounds
We consider a class of $2+D$ - dimensional string backgrounds with a target space metric having a covariantly constant null Killing vector and flat `transverse' part. The corresponding sigma models are invariant under $D$ abelian isometries and are transformed by $O(D,D)$ duality into models be...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
1994
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| Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(94)91224-6 http://cds.cern.ch/record/568917 |