Pseudogap of color superconductivity in heated quark matter
M. Kitazawa, T. Koide, T. Kunihiro, Y. Nemoto
DOI 10.1103/PhysRevD.70.056003 · Physical Review D
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Abstract
We show that the pseudogap of the quark density of states is formed in hot quark matter as a precursory phenomenon of the color superconductivity on the basis of a low-energy effective theory. We clarify that the decaying process of quarks near Fermi surface to a hole and the diquark soft mode (qq)soft is responsible for the formation of the pseudogap. Our result suggests that the pseudogap is a universal phenomenon in strong coupling superconductors.
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