Yang-Mills Theory in lambda-Gauges

Details Yang-Mills Theory in lambda-Gauges Yang-Mills Theory in lambda-Gauges

2011-08-12

arxiv.org/abs/1108.2621v1

Phys. Rev. D 84, 114501 (2011)

Physics

High Energy Physics

High Energy Physics - Lattice

17 pages, 13 figures, 3 tables

Scientific paper

10.1103/PhysRevD.84.114501

The gauge-independent phenomenon of color confinement in Yang-Mills theory manifests itself differently in different gauges. Therefore, the gauge dependence of quantities related to the infrared structure of the theory becomes important for understanding the confinement mechanism. Particularly useful are classes of gauges that are controlled by a single gauge parameter. We present results on propagators and the color-Coulomb potential for the so-called lambda-gauges, which interpolate between the (minimal) Landau gauge and the (minimal complete) Coulomb gauge. Results are reported for the SU(2) lattice gauge theory in three and four space-time dimensions. We investigate especially intermediate and low momenta. We find a continuous evolution of all quantities with the gauge parameter, except at zero four-momentum.

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