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Mesoscopic fluctuations in the spin-electric susceptibility due to Rashba spin-orbit interaction

Duckheim, Mathias and Loss, Daniel. (2008) Mesoscopic fluctuations in the spin-electric susceptibility due to Rashba spin-orbit interaction. Physical review letters, Vol. 101, H. 22 , 226602, 4 S..

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Official URL: http://edoc.unibas.ch/dok/A5254599

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Abstract

We investigate mesoscopic fluctuations in the spin polarization generated by a static electric field and by Rashba spin-orbit interaction in a disordered 2D electron gas. In a diagrammatic approach we find that the out-of-plane polarization-while being zero for self-averaging systems-exhibits large sample-to-sample fluctuations which are shown to be well within experimental reach. We evaluate the disorder-averaged variance of the susceptibility and find its dependence on magnetic field, spin-orbit interaction, dephasing, and chemical potential difference.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik Mesoscopics (Loss)
UniBasel Contributors:Loss, Daniel
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:American Physical Society
ISSN:0031-9007
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:26
Deposited On:22 Mar 2012 13:53

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