Domain walls in supersymmetric QCD: The taming of the zoo

Details Domain walls in supersymmetric QCD: The taming of the zoo Domain walls in supersymmetric QCD: The taming of the zoo

2000-11-13

arxiv.org/abs/hep-th/0011113v2

Phys.Rev. D63 (2001) 085016

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX2e,13 pages, 6 (.eps) figures, 2 tables

Scientific paper

10.1103/PhysRevD.63.085016

We provide a unified picture of the domain wall spectrum in supersymmetric QCD with Nc colors and Nf flavors of quarks in the (anti-) fundamental representation. Within the framework of the Veneziano-Yankielowicz-Taylor effective Lagrangian, we consider domain walls connecting chiral symmetry breaking vacua, and we take the quark masses to be degenerate. For Nf/Nc<1/2, there is one BPS saturated domain wall for any value of the quark mass m. For 1/2=m** there is no domain wall. We numerically determine m* and m** as a function of Nf/Nc, and we find that m** approaches a constant value in the limit that this ratio goes to one.

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