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

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

1999-08-11

arxiv.org/abs/hep-ph/9908323v2

Phys.Rev. D61 (2000) 074016

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 2 figures

Scientific paper

10.1103/PhysRevD.61.074016

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.

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