Charge Neutrality Effects on 2-flavor Color Superconductivity

Details Charge Neutrality Effects on 2-flavor Color Superconductivity Charge Neutrality Effects on 2-flavor Color Superconductivity

2002-06-30

arxiv.org/abs/hep-ph/0207008v2

Phys.Rev.D67:065015,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

Revtex, 24 pages, 8 figures

Scientific paper

10.1103/PhysRevD.67.065015

The effect of electric and color neutrality on 2-flavor color superconductivity has been investigated. It has been found that the effect of the charge neutrality on a 2-flavor quark system is very different from that on a 3-flavor system. The BCS diquark pair in 2-flavor color superconducting phase has been largely reduced by the large Fermi momentum of electron, the diquark condensate first increases with the increasing of quark's chemical potential $\mu$,then decreases rapidly and finally disappears at about $\mu=535MeV$, at which the thermodynamic potential equals to that in the neutral normal 2-flavor quark matter.

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