Datta-and-Das spin transistor controlled by a high-frequency electromagnetic field
arXiv:1603.01678 · doi:10.1103/PhysRevB.93.165307
Abstract
We developed the theory of spin dependent transport through a spin-modulator device (so-called Datta-and-Das spin transistor) in the presence of a high-frequency electromagnetic field (dressing field). Solving the Schrödinger problem for dressed electrons, we demonstrated that the field drastically modifies the spin transport. In particular, the dressing field leads to renormalization of spin-orbit coupling constants that varies conductivity of the spin transistor. The present effect paves the way for controlling the spin-polarized electron transport with light in prospective spin-optronic devices.
arXiv commentPublished version
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- Hybrid surface waves in two-dimensional Rashba-Dresselhaus materials
- Topological transitions in two-dimensional Floquet superconductors