The Infrared Landau Gauge Gluon Propagator from Lattice QCD
O. Oliveira, P. J. Silva
Abstract
The quenched Landau gauge gluon propagator is investigated in lattice QCD with large assimetric lattices, accessing momenta as low as q 100 MeV or smaller. Our investigation focus on the IR limit of the gluon dressing function, testing the compatibility with recent solutions of the Dyson-Schwinger equations. In particular, the low energy parameters κ and α(0) are measured.
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