Physics of Strongly Coupled N=1 Supersymmetric SO(N_c) Gauge Theories

Details Physics of Strongly Coupled N=1 Supersymmetric SO(N_c) Gauge Theories Physics of Strongly Coupled N=1 Supersymmetric SO(N_c) Gauge Theories

2002-08-03

arxiv.org/abs/hep-th/0208022v1

Phys.Lett. B543 (2002) 296-302

Physics

High Energy Physics

High Energy Physics - Theory

6 pages, RevTex, To appear in Phys. Lett. B

Scientific paper

We construct an effective superpotential that describes dynamical flavor symmetry breaking in supersymmetric N=1 SO(N_c) theories with N_f-flavor quarks for N_f >= N_c. Our superpotential induces spontaneous flavor symmetry breaking of SU(N_f) down to SO(N_c)xSU(N_f-N_c) as nonabelian residual groups and respects the anomaly-matching property owing to the appearance of massless composite Nambu-Goldstone superfields. In massive SO(N_c) theories, our superpotential provides holomorphic decoupling property and consistent vacuum structure with instanton effect if N_c-2 quarks remain massless. This superpotential may reflect the remnant of physics corresponding to N=2 SO(N_c) theories near the Chebyshev point, which also exhibits dynamical flavor symmetry breaking.

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