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题名: Spin superconductor in ferromagnetic graphene
作者: Sun, QF ;  Jiang, ZT ;  Yu, Y ;  Xie, XC
刊名: PHYSICAL REVIEW B
出版日期: 2011
卷号: 84, 期号:21, 页码:214501
关键词: QUANTUM-WELLS ;  ANDREEV REFLECTION ;  INDIRECT EXCITONS ;  TRANSPORT ;  SYSTEM ;  CONDENSATION ;  PRECESSION ;  COLLOQUIUM ;  GAS
学科分类: Physics
通讯作者: Sun, QF (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
部门归属: [Sun, Qing-feng; Xie, X. C.] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China; [Jiang, Zhao-tan] Beijing Inst Technol, Dept Phys, Beijing 100081, Peoples R China; [Yu, Yue] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China; [Xie, X. C.] Peking Univ, Int Ctr Quantum Mat, Beijing 100871, Peoples R China
英文摘要: We show a spin superconductor in ferromagnetic graphene as the counterpart to the charge superconductor in which a spin-polarized electron-hole pair plays the role of the spin 2((h) over bar /2) "Cooper pair" with a neutral charge. We present a BCS-type theory for the spin superconductor. With the "London-type equations" of the super-spin-current density, we show the existence of an electric "Meissner effect" against a spatial varying electric field. We further study a spin superconductor/normal conductor/spin superconductor junction and predict a spin-current Josephson effect.
资助者: NSF-China [10734110, 10974015, 11074174, 10874191]; China-973 program
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000297761200006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14215
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Recommended Citation:
Sun, QF,Jiang, ZT,Yu, Y,et al. Spin superconductor in ferromagnetic graphene[J]. PHYSICAL REVIEW B,2011,84(21):214501.
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