Trushin, Maxim and Schliemann, John (2007) Spin dynamics in rolled-up two dimensional electron gases. New J. Phys. 9, p. 346.
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A curved two-dimensional electron gas with spinorbit interactions due to the radial confinement asymmetry is considered. At a certain relation between the spinorbit 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 non-ballistic spin-field-effect transistors.
|Institutions:||Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group John Schliemann|
|Projects:||SFB 689: Spinphänomene in reduzierten Dimensionen|
|Subjects:||500 Science > 530 Physics|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||25 May 2009 13:18|
|Last Modified:||16 May 2012 09:55|