Color superconductivity at finite density and temperature with flavor asymmetry

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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11pages, 7figures

Scientific paper

10.1142/S0218301301000642

Color superconductivity of QCD at finite density, temperature and flavor asymmetry is studied within an approximation which the interaction is modeled upon four--fermion interactions. We calculate the thermodynamic potential in the so-called NJL-type model and study the phase structure at finite density, temperature and flavor asymmetry. We find that a mixed phase appears at sufficiently large flavor asymmetry and low temperature. A tricritical point in the $T$-$\mu_B$-$\mu_I$ plane is also found.

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