D-brane Instantons on the T^6/Z_3 orientifold

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dc.creatorBianchi, Massimo
dc.creatorFucito, Francesco
dc.creatorMorales, Jose F.
dc.date2007-04-05
dc.date2007-05-31
dc.date.accessioned2026-07-07T10:35:27Z
dc.date.available2026-07-07T10:35:27Z
dc.descriptionWe give a detailed microscopic derivation of gauge and stringy instanton generated superpotentials for gauge theories living on D3-branes at Z_3-orientifold singularities. Gauge instantons are generated by D(-1)-branes and lead to Affleck, Dine and Seiberg (ADS) like superpotentials in the effective N=1 gauge theories with three generations of bifundamental and anti/symmetric matter. Stringy instanton effects are generated by Euclidean ED3-branes wrapping four-cycles on T^6/\Z_3. They give rise to Majorana masses in one case and non-renormalizable superpotentials for the other cases. Finally we determine the conditions under which ADS like superpotentials are generated in N=1 gauge theories with adjoints, fundamentals, symmetric and antisymmetric chiral matter.
dc.description31 pages, no figures
dc.identifierhttps://arxiv.org/abs/0704.0784
dc.identifierhttp://arxiv.org/abs/0704.0784
dc.identifierJHEP0707:038,2007
dc.identifierdoi:10.1088/1126-6708/2007/07/038
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/179755
dc.subjectHigh Energy Physics - Theory
dc.titleD-brane Instantons on the T^6/Z_3 orientifold
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