Precursor of Color Superconductivity in Hot Quark Matter
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We investigate possible precursory phenomena of color superconductivity in quark matter at finite temperature T with use of a simple Nambu-Jona-Lasinio model. It is found that the fluctuating pair field exists with a prominent strength even well above the critical temperature T_c. We show that the collective pair field has a complex energy located in the second Riemann sheet, which approaches the origin as T is lowered to T_c. We discuss the possible relevance of the precursor to the observables to be detected in heavy ion collisions.
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Forward citations
Cited by 2 Pith papers
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Soft mode dynamics associated with QCD critical point and color superconductivity -- pseudogap, anomalous dilepton production and electric conductivity
Soft modes tied to the QCD critical point and color superconductivity create a pseudogap in quark spectra and boost electric conductivity plus dilepton production above the transition temperatures.
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Soft mode dynamics associated with QCD critical point and color superconductivity -- pseudogap, anomalous dilepton production and electric conductivity
Soft modes linked to the QCD critical point and two-flavor color superconductivity in the NJL model produce a pseudogap above Tc and enhance electric conductivity and dilepton rates relevant to heavy-ion collisions.
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