Spin dynamics in rolled-up two dimensional electron gases

Maxim Trushin; John Schliemann

doi:10.1088/1367-2630/9/9/346

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arXiv · 0705.3174

Spin dynamics in rolled-up two dimensional electron gases

Maxim Trushin·John Schliemann

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Abstract

A curved two dimensional electron gas with spin-orbit interactions due to the radial confinement asymmetry is considered. At certain relation between the spin-orbit coupling strength and curvature radius the tangential component of the electron spin becomes a conserved quantity for any spin-independent scattering potential that leads to a number of interesting effects such as persistent spin helix and strong anisotropy of spin relaxation times. The effect proposed can be utilized in the non-ballistic spin-field-effect transistors.

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Maxim Trushin, John Schliemann. 2007-05-22. Spin dynamics in rolled-up two dimensional electron gases. https://doi.org/10.1088/1367-2630%2F9%2F9%2F346

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