Magnetoplasmons and cyclotron resonance in a two-dimensional electron gas

被引：8
|
作者：
Bychkov, YA
Martinez, G
机构：
[1] MPI, FKF, Grenoble High Magnet Field Lab, F-38042 Grenoble, France
[2] CNRS, F-38042 Grenoble, France
[3] Russian Acad Sci, LD Landau Theoret Phys Inst, Moscow 117940, Russia
来源：
PHYSICAL REVIEW B | 2005年 / 72卷 / 19期
关键词：
D O I：
10.1103/PhysRevB.72.195328
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The dispersion of magnetoplasmons in a quasi-two-dimensional gas is derived for any value of the filling factor between 1 and 6, including nonparabolicity effects and temperature effects. The dynamical conductivity of such a system, in the frame of the magnetoplasmon picture is calculated as a function of the in-plane wave vector. It is shown that the interpretation of cyclotron resonance experiments in the magnetoplasmon picture differs significantly from that using the one-electron picture.
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页数：9
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