Gluon Propagators in 3D SU(2) Theory and Effects of Gribov Copies

Details Gluon Propagators in 3D SU(2) Theory and Effects of Gribov Copies Gluon Propagators in 3D SU(2) Theory and Effects of Gribov Copies

2011-12-21

arxiv.org/abs/1112.4975v1

Physics

High Energy Physics

High Energy Physics - Lattice

6 pages, 3 figures

Scientific paper

Infrared behavior of the gluon propagator is studied in the 3d SU(2) gauge theory on a lattice in the Landau gauge. A special accent is made on the study of Gribov copy effect. For this study we employ an efficient gauge-fixing algorithm and a large number of gauge copies (up to 280 copies per configuration). It is shown that, in the deep infrared region, the Gribov copy effect is very significant. Also we show that, in the infinite-volume limit, the zero-momentum value of the propagator does not vanish.

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