Phase diagram and nucleation in the Polyakov-loop-extended Quark-Meson truncation of QCD with the unquenched Polyakov-loop potential

Abstract

Unquenching of the Polyakov-loop potential showed to be an important improvement for the description of the phase structure and thermodynamics of strongly-interacting matter at zero quark chemical potentials with Polyakov-loop extended chiral models. This work constitutes the first application of the quark backreaction on the Polyakov-loop potential at nonzero density. The observation is that it links the chiral and deconfinement phase transition also at small temperatures and large quark chemical potentials. The build up of the surface tension in the Polyakov-loop extended Quark-Meson model is explored by investigating the two and 2+1-flavour Quark-Meson model and analysing the impact of the Polyakov-loop extension. In general, the order of magnitude of the surface tension is given by the chiral phase transition. The coupling of the chiral and deconfinement transition with the unquenched Polyakov-loop potential leads to the fact that the Polyakov-loop contributes at all temperatures.

28 pages, 13 figures; version published in Phys. Rev. D

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Cited by in corpus (20)

• Existence of the critical endpoint in the vector meson extended linear sigma model
• Hyper-order baryon number fluctuations at finite temperature and density
• Constraining strangeness in dense matter with GW170817
• Chiral matrix model of the semi-Quark Gluon Plasma in QCD
• Dense and Hot QCD at Strong Coupling
• Functional renormalization group analysis of the soft mode at the QCD critical point
• Equation of state of a quark-meson mixture in the improved-PNJL model at finite chemical potential
• Functional renormalization group study of the critical region of the quark-meson model with vector interactions
• Effects of Renormalizing the chiral SU(2) Quark-Meson-Model
• Magnetic field dependent 't Hooft determinant extended Nambu--Jona-Lasinio Model
• Meson properties and phase diagrams in a SU(3) nlPNJL model with lQCD-inspired form factors
• Perturbative aspects of the deconfinement transition -- Physics beyond the Faddeev-Popov model
• The QCD critical point from the Nambu-Jona-Lasino model with a scalar-vector interaction
• Effect of momentum anisotropy on quark matter in the quark-meson model
• Polyakov loop fluctuations in the presence of external fields
• Thermodynamical properties of strongly interacting matter in a model with explicit chiral symmetry breaking interactions
• Bubble nucleation in the two-flavor quark-meson model
• Dual meson condensates in the Polyakov-loop extended linear sigma model
• Bubble dynamics in the Polyakov quark-meson model
• Photon emissivity in the vicinity of a critical point - A case study within the quark meson model