Effective Lagrangian with valence gluons in extended SU(2) QCD model
Cho, Y. M.) Department of Physics , College of Natural Sciences , Seoul National University , Seoul 151-742 , KoreaHaewon Lee) Department of Physics , Chungbuk National University , Cheongju , Chungbuk 361-763 , KoreaD. G. Pak) Asia Pacific Center for Theoretical Physics , Seoul 130-012 , Korea
2001en
ABI
Annotatsiya
The effective action with homogeneous valence (off-diagonal) gluons as background fields in the extended SU(2) model of QCD is obtained in one-loop approximation. We keep the manifest gauge and Lorentz invariance during whole calculation by using a special gauge-fixing recipe and taking into account the quartic interaction terms in the original Lagrangian as well. It has been shown that the effective Lagrangian gains a positive imaginary part.
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