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Plasmon mass and Drude weight in strongly spin-orbit-coupled 2D electron gases
- 1.0366870 - FZÚ 2012 RIV US eng J - Journal Article
Agarwal, A. - Chesi, S. - Jungwirth, Tomáš - Sinova, Jairo - Vignale, G. - Polini, M.
Plasmon mass and Drude weight in strongly spin-orbit-coupled 2D electron gases.
Physical Review. B. Roč. 83, č. 11 (2011), 115135/1-115135/16. ISSN 1098-0121
R&D Projects: GA AV ČR KAN400100652; GA MŠMT LC510
EU Projects: European Commission(XE) 215368 - SemiSpinNet
Grant - others:AV ČR(CZ) AP0801
Program: Akademická prémie - Praemium Academiae
Institutional research plan: CEZ:AV0Z10100521
Keywords : two-dimensional systems * spin-orbit coupling
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 3.691, year: 2011
We study the long-wavelength plasmon dispersion and the Drude weight of archetypical spin-orbit-coupled 2DEGs. We show that these measurable quantities are sensitive to electron-electron interactions due to broken Galileian invariance and then discuss in detail why the popular random phase approximation is not capable of describing the collective dynamics of these systems even at very long wavelengths.
Permanent Link: http://hdl.handle.net/11104/0201710
Number of the records: 1