Abstract

For the case where the gauge theory superpotential has a quartic term as well as the mass term for quarks, the nonsupersymmetric meta-stable brane configuration was found recently. By adding the orientifold 6-planes and the extra fundamental flavors to this brane configuration, we describe the meta-stable nonsupersymmetric vacua of the gauge theory with antisymmetric flavor as well as fundamental flavors in type IIA string theory.

Highlights

  • It is known that the dynamical supersymmetry breaking in meta-stable vacua [1, 2] occurs in the standard N = 1 SQCD with massive fundamental flavors

  • We study N = 1 SU(Nc) gauge theory with an antisymmetric flavor A, a conjugate symmetric flavor S, Nf fundamental flavors Q and Q and eight fundamental flavors Qin the context of dynamical supersymmetric breaking vacua

  • By analyzing the magnetic superpotential, along the line of [6, 7], we present the behaviors of gauge theory description and string theory description for the meta-stable vacua

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Summary

Introduction

The type IIA supersymmetric electric brane configuration [9, 10, 11, 12] corresponding to N = 1 SU(Nc) gauge theory with an antisymmetric flavor A, a conjugate symmetric flavor S, eight fundamental flavors Qand Nf fundamental flavors Q, Q [13] can be described as follows: one middle NS5’-brane(012389), two NS5-branes(012345) denoted by NS5L-brane and N S5R-brane respectively, Nc D4-branes(01236) between them, 2Nf D6-branes(0123789), an orientifold 6 plane(0123789) of positive RR charge, an orientifold 6 plane(0123789) of negative RR charge and eight half D6-branes. When the rotated N S5±θ′-branes are parallel to rotated D6±θ-branes, the coupling in front of M2 in the magnetic superpotential vanishes

Nonsupersymmetric meta-stable brane configuration
Conclusions and outlook

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