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Spin transport properties of a quantum dot coupled to ferromagnetic leads with noncollinear magnetizations
Zhang, Hao; Zhang, Guang-Ming; Yu, Lu; Zhang, H , Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
2009
发表期刊JOURNAL OF PHYSICS-CONDENSED MATTER
ISSN0953-8984
卷号21期号:15页码:-
摘要A correct general formula for the spin current through an interacting quantum dot coupled to ferromagnetic leads with magnetization at an arbitrary angle. is derived within the framework of the Keldysh formalism. Under asymmetric conditions, the spin current component J(z) may change sign for 0 < theta < pi. It is shown that the spin current and spin tunneling magnetoresistance exhibit different angle dependence in the free and Coulomb blockade regimes. In the latter case, the competition of the spin precession and the spin-valve effect could lead to an anomaly in the angle dependence of the spin current.
部门归属[Zhang, H; Yu, L] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China; [Zhang, GM] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China; [Yu, L] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
学科领域Physics
资助者Chinese Academy of Sciences ( CAS); Ministry of Science and Technology ( MOST); NSF-China[10734110] ; Chinese Academy of Sciences ( CAS); Ministry of Science and Technology ( MOST); NSF-China[10734110] ; Chinese Academy of Sciences ( CAS); Ministry of Science and Technology ( MOST); NSF-China[10734110] ; Chinese Academy of Sciences ( CAS); Ministry of Science and Technology ( MOST); NSF-China[10734110]
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收录类别SCI
资助者Chinese Academy of Sciences ( CAS); Ministry of Science and Technology ( MOST); NSF-China[10734110] ; Chinese Academy of Sciences ( CAS); Ministry of Science and Technology ( MOST); NSF-China[10734110] ; Chinese Academy of Sciences ( CAS); Ministry of Science and Technology ( MOST); NSF-China[10734110] ; Chinese Academy of Sciences ( CAS); Ministry of Science and Technology ( MOST); NSF-China[10734110]
WOS记录号WOS:000264708600013
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被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5344
专题理论物理所1978-2010年知识产出
通讯作者Zhang, H , Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
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GB/T 7714
Zhang, Hao,Zhang, Guang-Ming,Yu, Lu,et al. Spin transport properties of a quantum dot coupled to ferromagnetic leads with noncollinear magnetizations[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2009,21(15):-.
APA Zhang, Hao,Zhang, Guang-Ming,Yu, Lu,&Zhang, H , Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China.(2009).Spin transport properties of a quantum dot coupled to ferromagnetic leads with noncollinear magnetizations.JOURNAL OF PHYSICS-CONDENSED MATTER,21(15),-.
MLA Zhang, Hao,et al."Spin transport properties of a quantum dot coupled to ferromagnetic leads with noncollinear magnetizations".JOURNAL OF PHYSICS-CONDENSED MATTER 21.15(2009):-.
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