Neutral color superconductivity including inhomogeneous phases at finite temperature
Lianyi He, Meng Jin, Pengfei Zhuang
DOI 10.1103/PhysRevD.75.036003 · Physical Review D
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Abstract
We investigate neutral quark matter with homogeneous and inhomogeneous color condensates at finite temperature in the frame of an extended NJL model. By calculating the Meissner masses squared and gap susceptibility, the uniform color superconductor is stable only in a temperature window close to the critical temperature and becomes unstable against LOFF phase, mixed phase and gluonic phase at low temperatures. The introduction of the inhomogeneous phases leads to disappearance of the strange intermediate temperature 2SC/g2SC and changes the phase diagram of neutral dense quark matter significantly.
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