Precursor of Color Superconductivity in Hot Quark Matter

Details Precursor of Color Superconductivity in Hot Quark Matter Precursor of Color Superconductivity in Hot Quark Matter

2001-11-08

arxiv.org/abs/nucl-th/0111022v2

Phys.Rev.D65:091504,2002

Physics

Nuclear Physics

Nuclear Theory

5 pages, 3 figures, version to appear in Phys. Rev. D. Discussions are enlarged on the physical origin of the large fluctuatio

Scientific paper

10.1103/PhysRevD.65.091504

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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