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Superfluid phases of quark matter: Ginzburg-Landau theory and color neutrality

Superfluid phases of quark matter: Ginzburg-Landau theory and color neutrality

We systematically apply Ginzburg-Landau theory to determine BCS pairing in a strongly coupled uniform superfluid of three-flavor massless quarks in flavor equilibrium. We elucidate the phase diagram near the critical temperature in the space of the parameters characterizing the thermodynamic-potential terms of fourth order in the pairing gap. Within the …