Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-06-30
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.
Chao Weiqin
Huang Mei
Zhuang Peng-fei
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