Probing the QCD Vacuum with Static Sources in Maximal Abelian Projection

Details Probing the QCD Vacuum with Static Sources in Maximal Abelian Projection Probing the QCD Vacuum with Static Sources in Maximal Abelian Projection

1998-02-06

arxiv.org/abs/hep-lat/9802005v1

Prog.Theor.Phys.Suppl.131:645-656,1998

Physics

High Energy Physics

High Energy Physics - Lattice

15 pages, latex, 8 figures, Talk presented by K. Schilling YKIS97, Kyoto

Scientific paper

10.1143/PTPS.131.645

Various field strength correlators are investigated in the maximal Abelian projection of pure SU(2) lattice gauge theory. High precision measurements of the colour fields, monopole currents, their curls and divergences allow for detailed checks of the dual superconductor scenario. On this basis, we perform a Ginzburg-Landau type analysis of the flux tube profile from which we derive the size of the penetration length, LAMBDA = 0.16(2) fm, and coherence length of the monopole condensate wave function, XI = 0.27(3) fm. The ratio of these numbers is KAPPA = LAMBDA/XI = 0.59(13) which is below the value 1/SQRT(2) where type II superconductivity sets in.

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