Gluon propagators and the choice of the gauge field in SU(2) theory on the lattice
arXiv:hep-lat/0204006
Abstract
We study numerically magnetic and electric gluon propagators and their dependence on the choice of the lattice gauge field $\caa_{xμ}$ in SU(2) gauge theory, especially, in the low--momentum limit. We find that two different $\caa_{xμ}$ definitions are equivalent up to a trivial renormalization of the propagator, at least, in the main approximation.
13 pages and 5 Postscript figures; Some references added