Partial Supersymmetry Breaking and N=2 U(N_c) Gauge Model with Hypermultiplets in Harmonic Superspace

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dc.creatorFujiwara, Kazuhito
dc.creatorItoyama, Hiroshi
dc.creatorSakaguchi, Makoto
dc.date2005-10-29
dc.date2006-08-12
dc.date.accessioned2026-07-07T11:06:16Z
dc.date.available2026-07-07T11:06:16Z
dc.descriptionWe provide a manifestly N=2 supersymmetric formulation of the N=2 U(N_c) gauge model constructed in terms of N=1 superfields in hep-th/0409060. The model is composed of N=2 vector multiplets in harmonic superspace and can be viewed as the N=2 U(N_c) Yang-Mills effective action equipped with the electric and magnetic Fayet-Iliopoulos terms. We generalize this gauge model to an N=2 U(N_c) QCD model by introducing N=2 hypermultiplets in harmonic superspace which include both the fundamental representation of U(N_c) and the adjoint representation of U(N_c). The effect of the magnetic Fayet-Iliopoulos term is to shift the auxiliary field by an imaginary constant. Examining vacua of the model, we show that N=2 supersymmetry is spontaneously broken down to N=1.
dc.description26 pages; typos fixed; version to appear in Nucl.Phys.B; eqn.(2.4) and typos corrected
dc.identifierhttps://arxiv.org/abs/hep-th/0510255
dc.identifierhttp://arxiv.org/abs/hep-th/0510255
dc.identifierNucl.Phys.B740:58-78,2006
dc.identifierdoi:10.1016/j.nuclphysb.2006.01.035
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/189465
dc.subjectHigh Energy Physics - Theory
dc.titlePartial Supersymmetry Breaking and N=2 U(N_c) Gauge Model with Hypermultiplets in Harmonic Superspace
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