Light Induced Hall effect in semiconductors with spin-orbit coupling

Details Light Induced Hall effect in semiconductors with spin-orbit coupling Light Induced Hall effect in semiconductors with spin-orbit coupling

2006-05-06

arxiv.org/abs/cond-mat/0605159v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 3 figures

Scientific paper

10.1103/PhysRevB.76.085343

We show that optically excited electrons by a circularly polarized light in a semiconductor with spin-orbit coupling subject to a weak electric field will carry a Hall current transverse to the electric field. This light induced Hall effect is a result of quantum interference of the light and the electric field, and can be viewed as a physical consequence of the spin current induced by the electric field. The light induced Hall conductance is calculated for the p-type GaAs bulk material, and the n-type and p-type quantum well structures.

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