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The lattice gluon propagator in renormalizable ξ gauges

Authors: P. Bicudo, D. Binosi, N. Cardoso, O. Oliveira, P. J. Silva

Ref.: Phys. Rev. D 92, 114514 (2015)

Abstract: We study the SU(3) gluon propagator in renormalizable R_ξ gauges implemented on a symmetric lattice with a total volume of (3.25  fm)^4 for values of the gauge fixing parameter up to ξ=0.5. As expected, the longitudinal gluon dressing function stays constant at its tree-level value ξ. Similar to the Landau gauge, the transverse R_ξ gauge gluon propagator saturates at a nonvanishing value in the deep infrared for all values of ξ studied.

DOI: 10.1103/PhysRevD.92.114514

URL: journals.aps.org