The Discrete $Z_{2N_c}$ Symmetry And Effective Superpotential In SUSY Gluodynamics

Details The Discrete $Z_{2N_c}$ Symmetry And Effective Superpotential In SUSY Gluodynamics The Discrete $Z_{2N_c}$ Symmetry And Effective Superpotential In SUSY Gluodynamics

1998-08-02

arxiv.org/abs/hep-th/9808005v1

Nucl.Phys. B544 (1999) 650-665

Physics

High Energy Physics

High Energy Physics - Theory

22 pages, LaTex file

Scientific paper

10.1016/S0550-3213(98)00856-6

We find an expression for the effective superpotential describing the $N_c$ vacua of $SU(N_c)$ SUSY gluodynamics. The superpotential reduces in some approximation to the Veneziano-Yankielowicz expression amended by the term restoring the discrete $Z_{2N_c}$ symmetry. Moreover, the superpotential, being restricted to one particular vacuum state, yields the expression which was derived recently to describe all the lowest-spin physical states of the theory. The corresponding scalar potential has no cusp singularities and can be used to study the domain walls interpolating between the chirally asymmetric vacua of the model.

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