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R-symmetry and the topological twist of N=2 effective supergravities of heterotic strings
We discuss R-symmetries in locally supersymmetric N=2 gauge theories coupled to hypermultiplets which can be thought of as effective theories of heterotic superstring models. In this type of supergravities a suitable off-shell R-symmetry exists which can be used to topologically twist the theory: th...
| Autores principales: | , , , , , |
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| Lenguaje: | eng |
| Publicado: |
1995
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1142/S0217751X97000475 http://cds.cern.ch/record/282064 |