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- Title
Spin precession and electron spin polarization wave in [001]-grown quantum wells.
- Authors
Liu, G. H.; Chen, Y. H.; Jia, C. H.; Wang, Z. G.
- Abstract
We theoretically study the spatial behaviors of spin precessions modulated by an effective magnetic field in a two-dimensional electron system with spin-orbit interaction. Through analysis of interaction between the spin and the effective magnetic field, we find some laws of spin precession in the system, by which we explain some previous phenomena of spin precession, and predict a controllable electron spin polarization wave in [001]-grown quantum wells. The shape of the wave, like water wave, mostly are ellipse-like or circle-like, and the wavelength is anisotropic in the quantum wells with two unequal coupling strengths of the Rashba and Dresselhaus interactions, and is isotropic in the quantum wells with only one spin orbit interaction.
- Subjects
SPINTRONICS; MAGNETIC fields; ELECTRONICS; POLARIZATION (Nuclear physics); ELECTRIC waves
- Publication
European Physical Journal B: Condensed Matter, 2009, Vol 70, Issue 3, p397
- ISSN
1434-6028
- Publication type
Article
- DOI
10.1140/epjb/e2009-00237-9