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The behavior of the Landau gauge gluon and ghost propagators is studied inpure SU(3) gauge theory at non-zero temperature on the lattice. We concentrateon the momentum range [0.6, 2.0] GeV. For the longitudinal as well as for thetransverse component of the gluon propagator we extract the continuum limit. Wedemonstrate the smallness of finite-size and Gribov-copy effects attemperatures close to the deconfinement phase transition at T=T_c and withinthe restricted range of momenta. Since the longitudinal component D_L(q) turnsout to be most sensitive with respect to the phase transition we propose somecombinations of D_L(q) signalling the transition much like "order parameters".

Landau gauge gluon and ghost propagators at finite temperature from quenched lattice QCD