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Rank 48 gauge group in heterotic string
We discuss the existence of a non-perturbative gauge sector that can raise the rank of the gauge group of the N_4=2 heterotic string up to 48. These gauge bosons, that don't exist in six dimensions, co-exist with those originating from small instantons shrinking to zero size.
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| Lenguaje: | eng |
| Publicado: |
2000
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| Acceso en línea: | http://cds.cern.ch/record/468338 |