Abstract
We study the temperature dependence of chiral symmetry breaking in Coulomb gauge QCD with massless quarks and an instantaneous approximation for the gluon interaction. The latter is modelled with a simple temperature dependent running coupling constant, which takes into account the known theoretical constraints on the QCD gluon propagator. The ensuing gap equation for the quark-antiquark condensate is solved numerically. We find the predictions of the model to come out quite reasonably, considering the simplicity of our model interaction. The results strongly suggest that the chiral symmetry restoration transition is second order.
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