Spin orientation of a two-dimensional electron gas by a high-frequency electric field

Details Spin orientation of a two-dimensional electron gas by a high-frequency electric field Spin orientation of a two-dimensional electron gas by a high-frequency electric field

2006-02-17

arxiv.org/abs/cond-mat/0602410v1

Phys. Rev. B 73, 115317 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 1 figure

Scientific paper

10.1103/PhysRevB.73.115317

Coupling of spin states and space motion of conduction electrons due to spin-orbit interaction opens up possibilities for manipulation of the electron spins by electrical means. It is shown here that spin orientation of a two-dimensional electron gas can be achieved by excitation of the carriers with a linearly polarized high-frequency electric field. In (001)-grown quantum well structures excitation with in-plane ac electric field induces orientation of the electron spins along the quantum well normal, with the spin sign and the magnitude depending on the field polarization.

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