期刊
INTERNATIONAL JOURNAL OF MODERN PHYSICS B
卷 20, 期 29, 页码 4937-4946出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217979206035680
关键词
spin polarization; spin current; spin-orbit interaction
In a biased two-dimensional electron gas, the presence of spin-orbit coupling of both the Rashba and Dresselhaus type leads to a Hall conductivity of charge carriers in the absence of an external magnetic field. We study the dynamical charge-Hall effect, the field-induced spin accumulation, and the magnetoelectric effect for a system with short-range elastic impurity scattering by analytically solving the kinetic equations for the spin-density matrix in the linear response regime. By tuning the strength of the Rashba and Dresselhaus spin-orbit coupling as well as the frequency and direction of the applied electric field, eigenmodes of the spin-coupled system are identified.
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