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Topological Amplitudes in Heterotic Strings with Wilson Lines
We consider d=4, N=2 compactifications of heterotic strings with an arbitrary number of Wilson lines. In particular, we focus on known chains of candidate heterotic/type II duals. We give closed expressions for the topological amplitudes F^g in terms of automorphic forms of SO(2+k,2,Z), and find agr...
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| Lenguaje: | eng |
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2007
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| Acceso en línea: | https://dx.doi.org/10.1088/1126-6708/2007/08/024 http://cds.cern.ch/record/1037403 |