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
Summary
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
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