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arxiv: cond-mat/0301390 · v1 · submitted 2003-01-21 · ❄️ cond-mat

Spin-Galvanic Effect in Quantum Wells

S. D. Ganichev (1) , E. L. Ivchenko (2) , V. V. Bel'kov (2) , S. A. Tarasenko (2) , M. Sollinger (1) , D. Schowalter (1) , D. Weiss (1) , W. Wegscheider (1)
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W. Prettl (1) ((1) Fakultaet fuer Physik Universitaet Regensburg Regensburg Germany (2) A.F. Ioffe Physico-Technical Institute St. Petersburg Russia)
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classification ❄️ cond-mat
keywords effectasymmetrycausedcurrentdegeneracyelectrichamiltonianheterostructures
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It is shown that a homogeneous non-equlibrium spin-polarization in semiconductor heterostructures results in an electric current. The microscopic origin of the effect is an inherent asymmetry of spin-flip scattering in systems with lifted spin degeneracy caused by k-linear terms in the Hamiltonian.

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