A Colorful Wake for Gerhard Soff
Abstract
We calculate the wake induced in a hot QCD plasma by a fast parton in the framework of linear response theory. We discuss two scenarios: (i) a weakly coupled quark-gluon plasma described by hard-thermal loop perturbation theory and (ii) a strongly coupled quark-gluon plasma which resembles a quantum liquid. We show that a Mach cone can appear in the second scenario, but not in the first one
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