Thermal Quark Anti-quark Free Energies, Energies and Screening in Hot SU(3) Gauge Theory

O. Kaczmarek, F. Karsch, P. Petreczky and F. Zantow
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O. Kaczmarek: Universität Bielefeld, Fakultät für Physik
F. Karsch: Universität Bielefeld, Fakultät für Physik
P. Petreczky: Universität Bielefeld, Fakultät für Physik
F. Zantow: Universität Bielefeld, Fakultät für Physik

A chapter in High Performance Computing in Science and Engineering’ 04, 2005, pp 17-25 from Springer

Abstract: Abstract Lattice Monte-Carlo simulations of quantum chromodyanmics (QCD) have shown that strongly interacting matter undergoes a phase transition at some temperature T c [1]. Above the transition temperatures T c hadrons (the experimentally observed strongly interacting particles) cease to exist and a new state of matter, the so-called quark-gluon plasma (QGP) was predicted to exist [1]. One of the most prominent features of QGP is the screening of static chromoelectric fields. At large distances (i.e. distances much larger than the inverse temperature) the screening is exponential and can be parametrized by a temperature dependent chromoelectric screening mass. Chromoelectric screening masses have been extensively studied by us in the last few years [2–3] in the framework of our project (Nr. 11725). More recently chromoelectric screening has been studied in terms of the free energy of static quark anti-quark pair [4,5,6,7]. Moreover we developed a technique to separate energy and entropy contributions to the free energy [8, 9].

Keywords: Free Energy; Gauge Theory; Wilson Line; Polyakov Loop; Entropy Contribution (search for similar items in EconPapers)
Date: 2005
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DOI: 10.1007/3-540-26589-9_3

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