Out-of-plane spin polarization from in-plane electric and magnetic fields
arXiv:cond-mat/0609078 · doi:10.1103/PhysRevLett.98.036602
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.
arXiv comment5 pages and 1 figure in main text, 5 pages in appendix
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