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Beating of Friedel oscillations induced by spin-orbit interaction

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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


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 ...


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