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Continuous Global Symmetries and Hyperweak Interactions in String Compactifications
We revisit general arguments for the absence of exact continuous global symmetries in string compactifications and extend them to D-brane models. We elucidate the various ways approximate continuous global symmetries arise in the 4-dimensional effective action. In addition to two familiar methods -...
| Autores principales: | , , , , , |
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| Lenguaje: | eng |
| Publicado: |
2008
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1088/1126-6708/2008/07/073 http://cds.cern.ch/record/1106389 |