Magnetoresistance oscillations in two-dimensional electron systems under monochromatic and bichromatic radiations

被引：24
|
作者：
Lei, X. L. [1 ]
Liu, S. Y. [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Phys, Shanghai 200030, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 18期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1063/1.2382739
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The magnetoresistance oscillations in high-mobility two-dimensional electron systems induced by two radiation fields of frequencies 31 and 47 GHz are analyzed in a wide magnetic-field range down to 100 G, using the balance-equation approach to magnetotransport for high-carrier-density systems. The frequency mixing processes are shown to be important. The predicted peak positions, relative heights, radiation-intensity dependence and their relation with monochromatic resistivities are in good agreement with recent experimental finding [M. A. Zudov , Phys. Rev. Lett. 96, 236804 (2006)]. (c) 2006 American Institute of Physics.
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