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.

引用

页码：118 / 122

页数：4

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