Relaxation of Plasma Excitations in Two-Dimensional Electron Systems

被引：0
|
作者：
Semenov N.D. [1 ]
Andreev I.V. [1 ]
Muravev V.M. [1 ]
Gubarev S.I. [1 ]
Kukushkin I.V. [1 ]
机构：
[1] Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, 142432, Moscow oblast
来源：
Bulletin of the Russian Academy of Sciences: Physics | 2021年 / 85卷 / 02期
关键词：
Cyclotrons;
D O I：
10.3103/S1062873821020234
中图分类号：
学科分类号：
摘要：
Abstract: An investigation is performed of the relaxation of plasma excitations in two-dimensional electron systems (2D-ESes) in GaAs/AlGaAs heterostructures. The effect radiational and incoherent collisional relaxation mechanisms have on the linewidth of cyclotron magnetoplasma resonance (CR) is studied. CR arises as a pure resonance that does not hybridize with dimensional magnetoplasma excitations. It is shown how magnetoplasma resonances form a CR’s fine structure due to the interaction between coherent radiative and incoherent collisional mechanisms of two-dimensional plasma relaxation. A comparative analysis is performed of the dependences of cyclotron and transport periods of relaxation on both the temperature and electron density of 2D-ESes. It is demonstrated that the period of cyclotron relaxation could exceed that of transport at low electron densities. © 2021, Allerton Press, Inc.
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页码：118 / 122
页数：4
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