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Anisotropic plasmons in a two-dimensional electron gas with 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: 02 Dec 2009 08:50


Spin-orbit coupling-induced anisotropies of plasmon dynamics are investigated in two-dimensional semiconductor structures. The interplay of the linear Bychkov-Rashba and Dresselhaus spin-orbit interactions drastically affects the plasmon spectrum: the dynamical structure factor exhibits variations over several decades, prohibiting plasmon propagation in specific directions. While this plasmon ...


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