Coupled Plasmon-phonon Modes in a Two-dimensional Electron Gas in the Presence of the Rashba Effect
Xu, Wen; Das, Mukunda P; Lin, L B
Description
Elementary electronic excitation is studied theoretically for a two-dimensil electron gas in the presence of spin-orbit (SO) interaction induced by the Rashba effect. We find that in such a system, coupled plasmon-phonon excitation can be achieved via intra- and inter-SO electronic transitions. As a result, six branches of the coupled plasmon-phonon oscillations can be observed. The interesting features of these excitation modes are analysed.
Collections | ANU Research Publications |
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Date published: | 2003 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/87793 |
Source: | Journal of Physics: Condensed Matter |
DOI: | 10.1088/0953-8984/15/19/324 |
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