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Spin susceptibilities, spin densities, and their connection to spin currents

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 14 Jan 2005Embargo end date: 01 Jan 2004 Germany, Switzerland English Publisher:American Physical Society (APS)Journal:Physical Review B, volume 71 (issn: 1098-0121, eissn: 1550-235X,

Authors: Erlingsson, S. I.; Schliemann, J.; Loss, D.;

doi: 10.1103/physrevb.71.035319 , 10.48550/arxiv.cond-mat/0406531 , 10.5283/epub.28234

arXiv: http://arxiv.org/abs/cond-mat/0406531

Spin susceptibilities, spin densities, and their connection to spin currents

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Abstract

We calculate the frequency dependent spin susceptibilities for a two-dimensional electron gas with both Rashba and Dresselhaus spin-orbit interaction. The resonances of the susceptibilities depends on the relative values of the Rashba and Dresselhaus spin-orbit constants, which could be manipulated by gate voltages. We derive exact continuity equations, with source terms, for the spin density and use those to connect the spin current to the spin density. In the free electron model the susceptibilities play a central role in the spin dynamics since both the spin density and the spin current are proportional to them.

6 pages, revtex4 style

Countries

Germany, Switzerland

Related Organizations

University of Regensburg
Germany
University of Basel
Switzerland

Keywords

Condensed Matter - Mesoscale and Nanoscale Physics, ddc:530, Mesoscale and Nanoscale Physics (cond-mat.mes-hall), FOS: Physical sciences, 530 Physik

Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	69
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	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 1%