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Antisymmetric tensor coupling and conformal invariance in sigma models corresponding to gauged WZNW theories
String backgrounds associated with gauged $G/H$ WZNW models generically depend on $\alpha'$ or $1/k$. The exact expressions for the corresponding metric $G_{\m\n}$, antisymmetric tensor $B_{\m\n}$, and dilaton $\phi$ can be obtained by eliminating the $2d$ gauge field from the local part of the...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
1993
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| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.49.2933 http://cds.cern.ch/record/254577 |