Dual Superconductor Scenario of Confinement: A Systematic Study of Gribov Copy Effects

Details Dual Superconductor Scenario of Confinement: A Systematic Study of Gribov Copy Effects Dual Superconductor Scenario of Confinement: A Systematic Study of Gribov Copy Effects

1996-03-18

arxiv.org/abs/hep-lat/9603012v1

Phys.Rev. D54 (1996) 2863-2875

Physics

High Energy Physics

High Energy Physics - Lattice

35 pages uucompressed LaTeX with 10 encapsuled postscript figures

Scientific paper

10.1103/PhysRevD.54.2863

We perform a study of the effects from maximal abelian gauge Gribov copies in the context of the dual superconductor scenario of confinement, on the basis of a novel approach for estimation of systematic uncertainties from incomplete gauge fixing. We present numerical results, in SU(2) lattice gauge theory, using the overrelaxed simulated annealing gauge fixing algorithm. We find abelian and non-abelian string tensions to differ significantly, their ratio being 0.92(4) at BETA = 2.5115. An approximate factorization of the abelian potential into monopole and photon contributions has been confirmed, the former giving rise to the abelian string tension.

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