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Asymmetric pairing of realistic mass quarks and color neutrality in the Polyakov–Nambu–Jona-Lasinio model of QCD
Physical Review D
We investigate the effects of realistic quark masses and local color neutrality on quark pairing in the three-flavor Polyakov--Nambu--Jona-Lasinio model. While prior studies have indicated the presence of light flavor quark (2SC) or symmetric color-flavor-locked (CFL) pairing at low temperatures, we find that in the absence of a local color neutrality constraint the inclusion of the Polyakov loop gives rise to phases in which all quark colors and flavors pair, but with unequal magnitudes. Wedoi:10.1103/physrevd.88.014012 fatcat:ffpgp4ev5ffydntmkeabwzxygy