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Topological Open String Amplitudes On Orientifolds
We study topological open string amplitudes on orientifolds without fixed planes. We determine the contributions of the untwisted and twisted sectors as well as the BPS structure of the amplitudes. We illustrate our general results in various examples involving D-branes in toric orientifolds. We per...
| Autores principales: | , , |
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| Lenguaje: | eng |
| Publicado: |
2004
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1088/1126-6708/2005/02/002 http://cds.cern.ch/record/807145 |