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N=2 Worldsheet Instantons Yield Cubic Self-Dual Yang-Mills
When the gauge instantons on the N=2 string worldsheet are properly included in the sum over topologies, the breaking of SO(2,2) Lorentz symmetry in R^{2,2} is parametrized by a spacetime twistor containing the string coupling and theta angle. The resulting (tree-level) effective action for the open...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
1997
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| Acceso en línea: | https://dx.doi.org/10.1016/S0370-2693(97)00595-9 http://cds.cern.ch/record/323914 |