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$R^2$ Corrections and Non-perturbative Dualities of N=4 String ground states
We compute and analyse a variety of four-derivative gravitational terms in the effective action of six- and four-dimensional type II string ground states with N=4 supersymmetry. In six dimensions, we compute the relevant perturbative corrections for the type II string compactified on K3. In four dim...
| Autores principales: | , , , , , |
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| Lenguaje: | eng |
| Publicado: |
1997
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/S0550-3213(98)81020-1 http://cds.cern.ch/record/331818 |