期刊
PHYSICAL REVIEW B
卷 79, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.79.014508
关键词
cerium compounds; d-wave superconductivity; high-temperature superconductors; lanthanum compounds; neodymium compounds; praseodymium compounds
资金
- HKRGC [CUHK 402205, HKU3/05C]
- MOST [2006CB921300]
In this work, we establish a few exact identities through commutation of intraorbital and interorbital on-site pairings with a two-orbital model describing the FeAs-based superconductors. Applying the conclusion drawn from rigorous relation and physical interpretation, we give constraints on the possible symmetries of the superconducting pairing of the model. Hence the favorable pairings in high-temperature oxypnictide superconductors are proposed.
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