Monopole Condensation and Dimensional Transmutation in SU(2) QCD

Details Monopole Condensation and Dimensional Transmutation in SU(2) QCD Monopole Condensation and Dimensional Transmutation in SU(2) QCD

2002-09-25

arxiv.org/abs/hep-th/0209208v4

JHEP 05 (2004) 073

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, 2 figures

Scientific paper

We resolve the controversy on the stability of the monopole condensation in the one-loop effective action of SU(2) QCD by calculating the imaginary part of the effective action with two different methods at one-loop order. Our result confirms that the effective action for the magnetic background has no imaginary part but the one for the electric background has a negative imaginary part. This assures that the monopole condensation is indeed stable, but the electric background becomes unstable due to the pair-annihilation of gluons.

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