Lattice gauge theory studies of the gluon propagator
D. B. Leinweber, J. I. Skullerud, A. G. Williams
Abstract
The gluon propagator in Landau gauge is calculated in quenched QCD on a large (323X64) lattice at beta=6.0. In order to assess finite volume and finite lattice spacing artefacts, we also calculate the propagator on a smaller volume for two different values of the lattice spacing. New structure seen in the infrared region survives conservative cuts to the lattice data, and serves to exclude a number of models that have appeared in the literature.
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