Thermodynamics of 2 1-flavor QCD: Confronting Models with Lattice Studies - High Energy Physics - PhenomenologyReport as inadecuate




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Abstract: The Polyakov-quark-meson PQM model, which combines chiral as well asdeconfinement aspects of strongly interacting matter is introduced for threelight quark flavors. An analysis of the chiral and deconfinement phasetransition of the model and its thermodynamics at finite temperatures is given.Three different forms of the effective Polyakov loop potential are considered.The findings of the 2+1-flavor model investigations are confronted tocorresponding recent QCD lattice simulations of the RBC-Bielefeld, HotQCD andWuppertal-Budapest collaborations. The influence of the heavier quark masses,which are used in the lattice calculations, is taken into account. In thetransition region the bulk thermodynamics of the PQM model agrees well with thelattice data.



Author: Bernd-Jochen Schaefer, Mathias Wagner, Jochen Wambach

Source: https://arxiv.org/



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