Non-perturbative Yukawa Couplings from String Instantons

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dc.creatorBlumenhagen, Ralph
dc.creatorCvetic, Mirjam
dc.creatorLust, Dieter
dc.creatorRichter, Robert
dc.creatorWeigand, Timo
dc.date2007-07-12
dc.date.accessioned2026-07-07T11:17:45Z
dc.date.available2026-07-07T11:17:45Z
dc.descriptionNon-perturbative D-brane instantons can generate perturbatively absent though phenomenologically relevant couplings for Type II orientifold compactifications with D-branes. We discuss the generation of the perturbatively vanishing SU(5) GUT Yukawa coupling of type 10 10 5_H. Moreover, for a simple globally consistent intersecting D6-brane model, we discuss the generation of mass terms for matter fields. This can serve as a mechanism for decoupling exotic matter.
dc.description4 pages, 2 tables, 2 figures
dc.identifierhttps://arxiv.org/abs/0707.1871
dc.identifierhttp://arxiv.org/abs/0707.1871
dc.identifierPhys.Rev.Lett.100:061602,2008
dc.identifierdoi:10.1103/PhysRevLett.100.061602
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/193115
dc.subjectHigh Energy Physics - Theory
dc.subjectHigh Energy Physics - Phenomenology
dc.titleNon-perturbative Yukawa Couplings from String Instantons
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