Lattice gluodynamics computation of Landau-gauge Green's functions in the deep infrared

We present recent results for the Landau-gauge gluon and ghost propagators in SU(3) lattice gluodynamics obtained on a sequence of lattices with linear extension ranging from L = 64 to L = 96 at beta = 5.70, thus reaching deep infrared momenta down to 75 MeV. Our gauge-fixing procedure essentially uses a Simulated annealing technique which allows us to reach gauge-functional values closer to the global maxima than standard approaches do. Our results are consistent with the so-called decoupling solutions found for Dyson-Schwinger and functional renormalization group equations. (C) 2009 Elsevier B.V. All rights reserved.