Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-04-06
Phys.Rev. D64 (2001) 094005
Physics
High Energy Physics
High Energy Physics - Phenomenology
14 pages, 2 figures
Scientific paper
10.1103/PhysRevD.64.094005
Cold dense quark matter is in a crystalline color superconducting phase wherever pairing occurs between species of quarks with chemical potentials whose difference \delta\mu lies within an appropriate window. If the interaction between quarks is modeled as point-like, this window is rather narrow. We show that when the interaction between quarks is modeled as single-gluon exchange, the window widens by about a factor of ten at accessible densities and by much larger factors at higher density. This striking enhancement reflects the increasingly (1+1)-dimensional nature of the physics at weaker and weaker coupling. Our results indicate that crystalline color superconductivity is a generic feature of the phase diagram of cold dense quark matter, occurring wherever one finds quark matter which is not in the color-flavor locked phase. If it occurs within the cores of compact stars, a crystalline color superconducting region may provide a new locus for glitch phenomena.
Leibovich Adam K.
Rajagopal Krishna
Shuster Eugene
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