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

URN to cite this document:: urn:nbn:de:bvb:355-epub-282345
DOI to cite this document:: 10.5283/epub.28234

Erlingsson, Sigurdur I. ; Schliemann, John ; Loss, Daniel

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Date of publication of this fulltext: 22 May 2013 13:57

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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 interactions. The resonances of the susceptibilities depend 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 ...