Out-of-plane spin polarization from in-plane electric and magnetic fields

Abstract

We show that the joint effect of spin-orbit and magnetic fields leads to a spin polarization perpendicular to the plane of a two-dimensional electron system with Rashba spin-orbit coupling and in-plane parallel dc magnetic and electric fields, for angle-dependent impurity scattering or nonparabolic energy spectrum, while only in-plane polarization persists for simplified models. We derive Bloch equations, describing the main features of recent experiments, including the magnetic field dependence of static and dynamic responses.

5 pages and 1 figure in main text, 5 pages in appendix

References in corpus (7)

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• Skew scattering due to intrinsic spin-orbit coupling in a two-dimensional electron gas
• Frequency- and transverse wave-vector-dependent spin Hall conductivity in two-dimensional electron gas with disorder
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• Origin of intrinsic Gilbert damping
• Analytically solvable model to the spin Hall effect with Rashba and Dresselhaus spin-orbit couplings