Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-10-29
Acta Phys.Polon.Supp.3:549-556,2010
Physics
High Energy Physics
High Energy Physics - Phenomenology
8 pages, 4 figures, contributed to the proceedings of the EMMI Workshop and XXVI Max Born Symposium at 09th-11th of July 2009
Scientific paper
We investigate the chiral and the deconfinement transition within the framework of Dyson-Schwinger equations using quenched lattice data for the temperature dependent gluon propagator as input. We extract corresponding order parameters from the Landau gauge quark propagator with U(1)-valued boundary conditions. We study the chiral transition using the conventional quark condensate, whereas for the deconfinement transition we determine the dual condensate ('dressed Polyakov loop'). In addition we consider an alternative order parameter for deconfinement, the dual scalar quark dressing function. As a result we find almost the same transition temperatures for the chiral and deconfinement transitions.
Fischer Christian S.
Mueller Jens A.
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