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arxiv: 1001.0784 · v2 · pith:Z5GHLFIKnew · submitted 2010-01-05 · ✦ hep-th · hep-lat

Faddeev-Popov spectra at the Gribov horizon

classification ✦ hep-th hep-lat
keywords faddeev-popovcoulombdimensionsgaugegribovhorizonlandauspectra
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I present a perturbative calculation of the spectrum of the Faddeev-Popov operator in Coulomb gauge in three dimensions, and Landau gauge in two and three dimensions, with an ansatz for the gluon propagator as the non-perturbative input. The results show how the low-lying Faddeev-Popov eigenvalue spectrum is modified as the first Gribov horizon is approached, and how the spectra can differ in Coulomb and Landau gauges.

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