Beating of Friedel oscillations induced by spin-orbit interaction

URN to cite this document:: urn:nbn:de:bvb:355-epub-76935
DOI to cite this document:: 10.5283/epub.7693

Badalyan, Samvel M. ; Matos-Abiague, Alex ; Vignale, Giovanni ; Fabian, Jaroslav

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Date of publication of this fulltext: 05 Aug 2009 13:57

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Abstract

By exploiting our recently derived exact formula for the Lindhard polarization function in the presence of Bychkov-Rashba (BR) and Dresselhaus (D) spin-orbit interaction (SOI), we show that the interplay of different SOI mechanisms induces highly anisotropic modifications of the static dielectric function. We find that under certain circumstances the polarization function exhibits doubly singular ...