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Coexistence and competition of spin-density-wave and superconducting order parameters in iron-based superconductors

文献类型：期刊论文

作者Wang, Qing-Wei1; Liu, Da-Yong1; Quan, Ya-Min1; Zou, Liang-Jian1,2
刊名PHYSICS LETTERS A
出版日期2016-08-06
卷号380期号:34页码:2685-2692
关键词Iron-base Superconductor Spin Density Wave Orbital-selective Competition Singlet-triplet Mixing
DOI10.1016/j.physleta.2016.06.005
文献子类Article
英文摘要We theoretically study the coexistence of spin density wave (SDW) and superconductivity (SC) in ironpnictide superconductors based on a three-orbital model, focusing on the momentum-space and real space distributions of SDW and SC order parameters in the coexistence region. We show that a SOW-SC coexisting state lies in the T-n phase diagram, in qualitative agreement with those of NaFe1-xCoxAs and Ba(Fe1-xCox)(2)As-2. In the SC state the pairing wavefunction has s(+/-) symmetry with s(x2y2) and s(x2+y2) components. In the coexisting state, the SDW and SC order parameters display strong orbital-selective competitions in momentum space, which also result in real-space modulation and spin singlet-triplet mixing in the Cooper pairing amplitude. We expect that the obtained features may be observed in future experiments. (C) 2016 Elsevier B.V. All rights reserved.
WOS关键词UNCONVENTIONAL SUPERCONDUCTIVITY ; FIELD
WOS研究方向Physics
语种英语
WOS记录号WOS:000380078200018
资助机构National Science Foundation of China (NSFC)(11274310 ; National Science Foundation of China (NSFC)(11274310 ; National Science Foundation of China (NSFC)(11274310 ; National Science Foundation of China (NSFC)(11274310 ; 11474287 ; 11474287 ; 11474287 ; 11474287 ; 11104274) ; 11104274) ; 11104274) ; 11104274) ; National Science Foundation of China (NSFC)(11274310 ; National Science Foundation of China (NSFC)(11274310 ; National Science Foundation of China (NSFC)(11274310 ; National Science Foundation of China (NSFC)(11274310 ; 11474287 ; 11474287 ; 11474287 ; 11474287 ; 11104274) ; 11104274) ; 11104274) ; 11104274)
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/22491]  
专题合肥物质科学研究院_中科院固体物理研究所
作者单位1.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China
2.Univ Sci & Technol China, Hefei 230026, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Qing-Wei,Liu, Da-Yong,Quan, Ya-Min,et al. Coexistence and competition of spin-density-wave and superconducting order parameters in iron-based superconductors[J]. PHYSICS LETTERS A,2016,380(34):2685-2692.
APA Wang, Qing-Wei,Liu, Da-Yong,Quan, Ya-Min,&Zou, Liang-Jian.(2016).Coexistence and competition of spin-density-wave and superconducting order parameters in iron-based superconductors.PHYSICS LETTERS A,380(34),2685-2692.
MLA Wang, Qing-Wei,et al."Coexistence and competition of spin-density-wave and superconducting order parameters in iron-based superconductors".PHYSICS LETTERS A 380.34(2016):2685-2692.

入库方式： OAI收割

来源：合肥物质科学研究院

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