Debye mass and heavy quark potential in a PNJL quark plasma

Details Debye mass and heavy quark potential in a PNJL quark plasma Debye mass and heavy quark potential in a PNJL quark plasma

2011-10-04

arxiv.org/abs/1110.0711v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 1 figure, contribution to Proceedings of the 6th International Conference on "Critical Point and Onset of Deconfineme

Scientific paper

We calculate the Debye mass for the screening of the heavy quark potential in a plasma of massless quarks coupled to the temporal gluon background governed by the Polyakov loop potential within the PNJL model in RPA approximation. We give a physical motivation for a recent phenomenological fit of lattice data by applying the calculated Debye mass with its suppression in the confined phase due to the Polyakov-loop to a description of the temperature dependence of the singlet free energy for QCD with a heavy quark pair at infinite separation. We compare the result to lattice data.

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