Current-induced spin polarization in spin-orbit-coupled electron systems

URN to cite this document:: urn:nbn:de:bvb:355-epub-212752
DOI to cite this document:: 10.5283/epub.21275

Liu, Ming-Hao ; Chen, Son-Hsien ; Chang, Ching-Ray

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Date of publication of this fulltext: 22 Jun 2011 06:25

Alternative links to fulltext:DOI Arxiv

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Abstract

Current-induced spin polarization (CISP) is rederived in ballistic spin-orbit-coupled electron systems, based on equilibrium statistical mechanics. A simple and useful picture is correspondingly proposed to help understand the CISP and predict the polarization direction. Nonequilibrium Landauer-Keldysh formalism is applied to demonstrate the validity of the statistical picture, taking the linear ...