Non-Abelian color dielectric - towards the effective model of the low energy QCD
Institute of Physics, Jagiellonian University, Reymonta 4, Kraków, Poland
2 Department of Physics, University of Alberta, AB T6G 2J1, Edmonton, Canada
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Lattice motivated triplet color scalar field theory is analyzed. We consider non-minimal as well as covariant derivative coupling with SU(2) gauge fields. Field configurations generated by external electric sources are presented. Moreover non-Abelian magnetic monopoles are found. Dependence on the spatial coordinates in the obtained solutions is identical as in the usual Abelian case. We show also that after a decomposition of the fields a modified Faddeev-Niemi action can be obtained. It contains explicit O(3) symmetry breaking term parameterized by the condensate of an isoscalar field. Due to that Goldstone bosons observed in the original Faddeev-Niemi model are removed.
© Springer-Verlag, 2005