Analytic Smearing of SU(3) Link Variables in Lattice QCD

Details Analytic Smearing of SU(3) Link Variables in Lattice QCD Analytic Smearing of SU(3) Link Variables in Lattice QCD

2003-11-11

arxiv.org/abs/hep-lat/0311018v1

Phys.Rev. D69 (2004) 054501

Physics

High Energy Physics

High Energy Physics - Lattice

8 pages, 4 figures, uses RevTex

Scientific paper

10.1103/PhysRevD.69.054501

An analytic method of smearing link variables in lattice QCD is proposed and tested. The differentiability of the smearing scheme with respect to the link variables permits the use of modern Monte Carlo updating methods based on molecular dynamics evolution for gauge-field actions constructed using such smeared links. In examining the smeared mean plaquette and the static quark-antiquark potential, no degradation in effectiveness is observed as compared to link smearing methods currently in use, although an increased sensitivity to the smearing parameter is found.

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