Theory of current-induced spin polarization in an electron gas

URN to cite this document:: urn:nbn:de:bvb:355-epub-367282
DOI to cite this document:: 10.5283/epub.36728

Gorini, Cosimo ; Maleki Sheikhabadi, Amin ; Shen, Ka

; Tokatly, Ilya V.

; Vignale, Giovanni ; Raimondi, Roberto

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Date of publication of this fulltext: 20 Feb 2018 08:35

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Abstract

We derive the Bloch equations for the spin dynamics of a two-dimensional electron gas in the presence of spin-orbit coupling. For the latter we consider both the intrinsic mechanisms of structure inversion asymmetry (Rashba) and bulk inversion asymmetry (Dresselhaus), and the extrinsic ones arising from the scattering from impurities. The derivation is based on the SU(2) gauge-field formulation ...