Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-02-21
Phys.Rev.D77:114010,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, 4 figures
Scientific paper
10.1103/PhysRevD.77.114010
The role of neutrality constraints for the phase structure of QCD at non-vanishing chemical potentials is studied within a self-consistent truncation scheme for the Dyson-Schwinger equation of the quark propagator in Landau gauge. We find the (approximate) color-flavor-locked phase to be energetically preferred at all potentially relevant densities and for physical values of the quark masses. We furthermore observe the impossibility to define this phase by residual global symmetries and discuss the role of chemical potentials.
Alkofer Reinhard
Nickel Dominik
Wambach Jochen
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