On Mass Spectrum in SQCD, and Problems with the Seiberg Duality. Another Scenario

Details On Mass Spectrum in SQCD, and Problems with the Seiberg Duality. Another Scenario On Mass Spectrum in SQCD, and Problems with the Seiberg Duality. Another Scenario

2008-11-26

arxiv.org/abs/0811.4283v3

Physics

High Energy Physics

High Energy Physics - Theory

23 pages, small improvements; also replaced the paper arXiv:0712.3167, with significant improvements

Scientific paper

N=1 SQCD with SU(N_c) colors and N_F flavors of light quarks is considered within the dynamical scenario which assumes that quarks can be in two different phases only. These are: a) either the HQ (heavy quark) phase where they are confined, b) or they are higgsed, at the appropriate values of parameters of the Lagrangian. The mass spectra of this (direct) theory and its Seiberg's dual are obtained and compared, for quarks of equal or unequal masses. It is shown that in all cases when there is the additional small parameter at hand (it is 0<(3N_c-N_F)/N_F << 1 for the direct theory, or its analog 0<(2N_F-3N_c)/N_F << 1 for the dual one), the mass spectra of the direct and dual theories are parametrically different.

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