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Spin-galvanic effect and spin orientation induced circular photogalvanic effect in quantum well structures

Ganichev, Sergey


Abstract

It is shown that a homogeneous spin polarization of electron gas drives an electric current in quantum well(QW) structures if some general symmetry requirements are met. Two effects, the spin-galvanic effect and the circular photogalvanic effect (CPGE), have been observed in n- and p-type QWs based on various semiconductor materials. These effects have in common, that the current flow is driven ...

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