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Consistency in formulation of spin current and torque associated with a variance of angular momentum
Wang, Y; Xia, K; Su, ZB; Ma, ZS; Wang, Y , Peking Univ, Sch Phys, Beijing 100871, Peoples R China
2006
发表期刊PHYSICAL REVIEW LETTERS
ISSN0031-9007
卷号96期号:6页码:-
摘要Based on the Noether's theorem, we develop systematically and rigorously the spin-dependent formulation of the conservation laws. The effect of the electronic polarization due to the spin-orbit coupling is included in the Maxwell equations. The polarization is related to the antisymmetric components of spin current, and it provides a possibility to measure the spin current directly. The variances of spin and orbit angular momentum currents imply a torque on the "electric dipole" associated with the moving electron. The dependencies of the torque on the polarization and the force on the motions of spin-polarized electrons in a two-dimensional electron gas with the Rashba spin-orbit coupling are discussed.
部门归属Peking Univ, Sch Phys, Beijing 100871, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China
关键词Semiconductors Electrons
学科领域Physics
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收录类别SCI
WOS记录号WOS:000235394100060
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被引频次:42[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/311006/6039
专题理论物理所1978-2010年知识产出
通讯作者Wang, Y , Peking Univ, Sch Phys, Beijing 100871, Peoples R China
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GB/T 7714
Wang, Y,Xia, K,Su, ZB,et al. Consistency in formulation of spin current and torque associated with a variance of angular momentum[J]. PHYSICAL REVIEW LETTERS,2006,96(6):-.
APA Wang, Y,Xia, K,Su, ZB,Ma, ZS,&Wang, Y , Peking Univ, Sch Phys, Beijing 100871, Peoples R China.(2006).Consistency in formulation of spin current and torque associated with a variance of angular momentum.PHYSICAL REVIEW LETTERS,96(6),-.
MLA Wang, Y,et al."Consistency in formulation of spin current and torque associated with a variance of angular momentum".PHYSICAL REVIEW LETTERS 96.6(2006):-.
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