The phase structure of the Polyakov-quark-meson model beyond mean field

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Abstract

The Polyakov-extended quark-meson model (PQM) is investigated beyond mean-field. This represents an important step towards a fully dynamical QCD computation. Both the quantum fluctuations to the matter sector and the back-reaction of the matter fluctuations to the QCD Yang-Mills sector are included. Results on the chiral and confinement-deconfinement crossover/phase transition lines and the location of a possible critical endpoint are presented. Moreover, thermodynamic quantities such as the pressure and the quark density are discussed. © 2010 Elsevier B.V.

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Herbst, T. K., Pawlowski, J. M., & Schaefer, B. J. (2011). The phase structure of the Polyakov-quark-meson model beyond mean field. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 696(1–2), 58–67. https://doi.org/10.1016/j.physletb.2010.12.003

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