E3-brane instantons and baryonic operators for D3-branes on toric singularities

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dc.creatorForcella, Davide
dc.creatorGarcia-Etxebarria, Inaki
dc.creatorUranga, Angel
dc.date2008-06-13
dc.date2009-03-02
dc.date.accessioned2026-07-07T12:51:11Z
dc.date.available2026-07-07T12:51:11Z
dc.descriptionWe consider the couplings induced on the world-volume field theory of D3-branes at local toric Calabi-Yau singularities by euclidean D3-brane (E3-brane) instantons wrapped on (non-compact) holomorphic 4-cycles. These instantons produce insertions of BPS baryonic or mesonic operators of the four-dimensional ${\cal{N}}=1$ quiver gauge theory. We argue that these systems underlie, via the near-horizon limit, the familiar AdS/CFT map between BPS operators and D3-branes wrapped on supersymmetric 3-cycles on the 5d horizon. The relation implies that there must exist E3-brane instantons with appropriate fermion mode spectrum and couplings, such that their non-perturbative effects on the D3-branes induce operators forming a generating set for all BPS operators of the quiver CFT. We provide a constructive argument for this correspondence, thus supporting the picture.
dc.description43 pages, 13 figures. v4: Published version
dc.identifierhttps://arxiv.org/abs/0806.2291
dc.identifierhttp://arxiv.org/abs/0806.2291
dc.identifierJHEP 0903:041,2009
dc.identifierdoi:10.1088/1126-6708/2009/03/041
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/222911
dc.subjectHigh Energy Physics - Theory
dc.titleE3-brane instantons and baryonic operators for D3-branes on toric singularities
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