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Density dependence of quark masses and stability of color-flavor locked phases | | Xiao-Bing Zhang
; Xue-Qian Li
; | | Date: |
27 Sep 2005 | | Journal: | Phys.Rev. D72 (2005) 054021 | | Subject: | hep-ph | | Abstract: | Considering the density dependence of quark masses, we investigate the color-flavor-locked matter and its stability relative to the ( unpaired ) strange quark matter. We find that, when the current mass of strange quark $m_s$ is small, the strange quark matter remains stable for the moderate baryon densities. When $m_s$ is large, the gapless phase of the color-flavor-locked matter is found to be difficult to be stable. A schematic phase diagram of three-flavor quark matter is presented, in which the color-flavor-locked phase region is suppressed in comparison with the previous results. | | Source: | arXiv, hep-ph/0509307 | | Services: | Forum | Review | PDF | Favorites | |
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