Hierarchies from D-brane instantons in globally defined Calabi-Yau orientifolds

We construct the first globally consistent semirealistic type I string vacua on an elliptically fibered manifold where the zero modes of the Euclidean D1-instanton sector allow for the generation of nonperturbative Majorana masses of an intermediate scale. In another class of global models, a D1-bra...

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Hauptverfasser: Cvetič, Mirjam (VerfasserIn) , Weigand, Timo (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 24 June 2008
In: Physical review letters
Year: 2008, Jahrgang: 100, Heft: 25
ISSN:1079-7114
DOI:10.1103/PhysRevLett.100.251601
Online-Zugang:Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevLett.100.251601
Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.100.251601
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Verfasserangaben:Mirjam Cvetič and Timo Weigand

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