Softly Broken SQCD: in the Continuum, on the Lattice, on the Brane

Details Softly Broken SQCD: in the Continuum, on the Lattice, on the Brane Softly Broken SQCD: in the Continuum, on the Lattice, on the Brane

1997-07-23

arxiv.org/abs/hep-th/9707197v2

Nucl.Phys.Proc.Suppl. 62 (1998) 331-338

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, Latex, espcrc2, 2 figs, talk presented at SUSY 97, reference added

Scientific paper

10.1016/S0920-5632(97)00675-0

We review progress in studying the solutions of SQCD in the presence of explicit, soft SUSY breaking terms. Massive N=1 SQCD in the presence of a small gaugino mass leads to a controlled solution which has interesting phase structure with changing theta angle reminiscent of the QCD chiral Lagrangian. Current attempts to test the solutions of pure glue SQCD on the lattice require a theoretical understanding of the theory with small gaugino mass in order to understand the approach to the SUSY point. We provide such a description making predictions for the gaugino condensate and lightest bound state masses. Finally we briefly review recent D-brane constructions of 4D gauge theories in string theory including a non-supersymmetric configuration. We identify this configuration with softly broken N=2 SQCD.

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