Effects of Renormalizing the chiral SU(2) Quark-Meson-Model

Abstract

We investigate the restoration of chiral symmetry at finite temperature in the SU(2) quark meson model where the mean field approximation is compared to the renormalized version for quarks and mesons. In a combined approach at finite temperature all the renormalized versions show a crossover transition. The inclusion of different renormalization scales leave the order parameter and the mass spectra nearly untouched, but strongly influence the thermodynamics at low temperatures and around the phase transition. We find unphysical results for the renormalized version of mesons and the combined one.

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Cited by in corpus (7)

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• Constraints on Phase Transitions in Neutron Star Matter
• Fluctuations and phases in baryonic matter
• Implications of the fermion vacuum term in the extended SU(3) Quark Meson model on compact stars properties
• Functional renormalization group study of the critical region of the quark-meson model with vector interactions
• Fluctuations and thermodynamic geometry of the chiral phase transition
• On-shell versus curvature mass parameter fixing schemes in the quark-meson model and its phase diagrams