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Mass-Induced Crystalline Color Superconductivity | | Joydip Kundu
; Krishna Rajagopal
; | | Date: |
14 Dec 2001 | | Journal: | Phys.Rev. D65 (2002) 094022 | | Subject: | hep-ph nucl-th | | Affiliation: | MIT), Krishna Rajagopal (MIT | | Abstract: | We demonstrate that crystalline color superconductivity may arise as a result of pairing between massless quarks and quarks with nonzero mass m_s. Previous analyses of this phase of cold dense quark matter have all utilized a chemical potential difference deltamu to favor crystalline color superconductivity over ordinary BCS pairing. In any context in which crystalline color superconductivity occurs in nature, however, it will be m_s-induced. The effect of m_s is qualitatively different from that of deltamu in one crucial respect: m_s depresses the value of the BCS gap Delta_0 whereas deltamu leaves Delta_0 unchanged. This effect in the BCS phase must be taken into account before m_s-induced and deltamu-induced crystalline color superconductivity can sensibly be compared. | | Source: | arXiv, hep-ph/0112206 | | Services: | Forum | Review | PDF | Favorites | |
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