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Coupled Plasmon-phonon Modes in a Two-dimensional Electron Gas in the Presence of the Rashba Effect

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Date

2003

Authors

Xu, Wen
Das, Mukunda P
Lin, L B

Journal Title

Journal ISSN

Volume Title

Publisher

Institute of Physics Publishing

Abstract

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.

Description

Keywords

Keywords: Electronic properties; Electrons; Excitons; Molecular dynamics; Nonlinear equations; Phonons; Semiconductor materials; Two dimensional; Coupled plasmon-phonon mode; Narrow-gap semiconductor; Rashba effect; Spin-orbit interaction; Two-dimensional electron

Citation

URI

http://hdl.handle.net/1885/87793

Collections

ANU Research Publications

Source

Journal of Physics: Condensed Matter

Type

Journal article

Book Title

Entity type

Access Statement

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DOI

10.1088/0953-8984/15/19/324

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