A new magnetoplasmon sound wave in a two-dimensional electron gas under electromagnetic radiation

被引：0
|
作者：
Zhang, C [1 ]
Pilehrood, SH
机构：
[1] Univ Wollongong, Sch Engn Phys, Wollongong, NSW 2522, Australia
[2] Univ Wollongong, Inst Superconducting & Elect Mat, Wollongong, NSW 2522, Australia
来源：
EUROPHYSICS LETTERS | 2005年 / 69卷 / 04期
关键词：
D O I：
10.1209/epl/i2004-10371-6
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report a new magnetoplasmon mode and a, sound-like collective excitation in two-dimensional electronic systems under a weak magnetic field and a low-frequency electromagnetic radiation. The analysis is based on the exact time-dependent wave functions and the exact relation between response function with and without radiation. The new mode discovered here can be used as a generating mechanism of high-frequency radiation from a system whose characteristic energy is low.
引用
收藏
页码：623 / 628
页数：6
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