Approaching the QCD phase diagram for N_f=2+1 and N_f=2+1+1 quark flavors

Abstract

Recent results for the QCD phase structure at finite temperature and light-quark chemical potential are summarized, where the cases of N_f = 2 + 1 and N_f = 2+1+1 dynamical quark flavors are considered. Order parameters for the chiral and deconfinement transitions are obtained from solutions of a coupled set of truncated Dyson-Schwinger equations for the quark and gluon propagators of Landau gauge QCD. Based on very good agreement with lattice QCD for zero chemical potential the phase diagram in the whole T-μ-plane and the appearance of a putative critical end-point at large chemical potential are studied.

5 pages, 8 figures, Contribution to the proceedings of 'Fairness 2014', Sept. 2014, Vietri sul Mare, Italy

References in corpus (4)

• The QCD equation of state with dynamical quarks
• The QCD phase diagram at nonzero quark density
• Propagators and phase structure of Nf=2 and Nf=2+1 QCD
• Chiral and deconfinement transition from correlation functions: SU(2) vs. SU(3)

Cited by in corpus (3)

• QCD phase diagram from the gluon propagator at finite temperature and density
• QCD chiral phase diagram from weak functional renormalization group
• The effect of charm quark on the QCD chiral phase diagram