Hard-thermal-loop Resummation of the Free Energy of a Hot Quark-Gluon Plasma

Abstract

The quark contribution to the free energy of a hot quark-gluon plasma is calculated to leading order in hard-thermal-loop (HTL) perturbation theory. This method selectively resums higher order corrections associated with plasma effects, such as screening, quasiparticles, and Landau damping. Comparing to the weak-coupling expansion of QCD, the error in the one-loop HTL free energy is of order alpha_s, but the large alpha_s^(3/2) correction from QCD plasma effects is included exactly.

12 pages, 2 figures

References in corpus (2)

• The entropy of the QCD plasma
• Hard-thermal-loop Resummation of the Thermodynamics of a Hot Gluon Plasma

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