BPS Domain Walls in Large N Supersymmetric QCD

Details BPS Domain Walls in Large N Supersymmetric QCD BPS Domain Walls in Large N Supersymmetric QCD

1999-01-10

arxiv.org/abs/hep-th/9901032v2

Nucl.Phys. B562 (1999) 158-180

Physics

High Energy Physics

High Energy Physics - Theory

24 REVTEX pages. Journal version. Comments added, typos corrected

Scientific paper

10.1016/S0550-3213(99)00562-3

We explicitly construct BPS domain walls interpolating between neighboring chirally asymmetric vacua in a model for large N pure supersymmetric QCD. The BPS equations for the corresponding ${\bf Z}_N$ symmetric order parameter effective Lagrangian reduce to those in the $A_N$ Landau-Ginsburg model assuming that the higher derivative terms in the K{\"a}hler potential are suppressed in the large N limit. These BPS domain walls, which have vanishing width in the large N limit, can be viewed as supermembranes embedded in a (3+1)-dimensional supersymmetric QCD background. The supermembrane couples to a three-form supermultiplet whose components we identify with the composite fields of supersymmetric QCD. We also discuss certain aspects of chromoelectric flux tubes (open strings) ending on these walls which appear to support their interpretation as D-branes.

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