Introduction to Lattice Gaugefixing and Effective Quark and Gluon Masses

Details Introduction to Lattice Gaugefixing and Effective Quark and Gluon Masses Introduction to Lattice Gaugefixing and Effective Quark and Gluon Masses

1992-08-12

arxiv.org/abs/hep-lat/9208007v1

QCD Vacuum Structure (1993) Fried and Muller

Physics

High Energy Physics

High Energy Physics - Lattice

5 pages, LSUHEP002-1992

Scientific paper

This talk was presented to a non-lattice audience at the June, 1992 Paris Workshop on QCD Vacuum Structure. We report on the status of quark and gluon propagators in quenched, gaugefixed lattice QCD. In Landau gauge we find that the effective quark mass in the chiral limit is $M_q \sim 350(40)MeV$. Quark and gluon propagators, the slope of the quark dispersion relation, and effective masses all appear to depend on gauge. A link-chain picture of lattice gaugefixing in the color $N\to\infty$ and strong coupling limit, where the system becomes almost solvable, supports the gauge variance of these numerical results. Subscribers will be given one Postscript file, the Figure included. Latex and Axis versions available from KY at kyee@rouge.phys.lsu.edu on request.

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