Phase diagram and critical endpoint for strongly-interacting quarks
arXiv:1011.2876 · doi:10.1103/PhysRevLett.106.172301
Abstract
We introduce a method based on the chiral susceptibility, which enables one to draw a phase diagram in the chemical-potential/temperature plane for strongly-interacting quarks whose interactions are described by any reasonable gap equation, even if the diagrammatic content of the quark-gluon vertex is unknown. We locate a critical endpoint (CEP) at (μ^E,T^E) ~ (1.0,0.9)T_c, where T_c is the critical temperature for chiral symmetry restoration at μ=0; and find that a domain of phase coexistence opens at the CEP whose area increases as a confinement length-scale grows.
4 pages, 3 figures
References in corpus (12)
- The Phase Structure of the Polyakov--Quark-Meson Model
- Sketching the Bethe-Salpeter kernel
- Hadron Properties and Dyson-Schwinger Equations
- 2+1 Flavor Polyakov--Nambu--Jona-Lasinio Model at Finite Temperature and Nonzero Chemical Potential
- Chiral crossover, deconfinement and quarkyonic matter within a Nambu-Jona Lasinio model with the Polyakov loop
- Finite density QCD with a canonical approach
- Infrared properties of propagators in Landau-gauge pure Yang-Mills theory at finite temperature
- Thermodynamics and critical behavior in the Nambu-Jona-Lasinio model of QCD
- Chiral phase transition in the presence of spinodal decomposition
- Dynamical chiral symmetry breaking and a critical mass
- Chemical potential and the gap equation
- Influence of the isospin and hypercharge chemical potentials on the location of the CEP in the mu_B-T phase diagram of the SU(3)_L x SU(3)_R chiral quark model