Pseudogap of Color Superconductivity

Details Pseudogap of Color Superconductivity Pseudogap of Color Superconductivity

2003-12-27

arxiv.org/abs/hep-ph/0312360v2

Prog.Theor.Phys.Suppl.153:301-304,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 4 figures, PTPTeX; Proceedings of Finite Density QCD at Nara July 10-12 2003 Nara Prefecture Public Hall Big Roof Nar

Scientific paper

10.1143/PTPS.153.301

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 soft mode of the di-quark pair field gives rise to a peculiar behavior of the quark dispersion relation and a short life-time of the quasiparticles near the Fermi surface, both of which make a depression of the density of states of quarks. Our result suggests that the appearance of the pseudogap is a universal phenomenon of strong coupling superconductors, irrespective of the dimensionality.

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