Measurement of cyclotron resonance relaxation time in the two-dimensional electron system

Measurement of cyclotron resonance relaxation time in the two-dimensional electron system
复制标题

二维电子系统回旋共振弛豫时间的测量

DOI：
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发表时间：
2014
期刊：
影响因子：
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通讯作者：
I. Kukushkin
I. Kukushkin
中科院分区：
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文献类型：
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作者：
I. V. Andreev;V. Muravev;V. N. Belyanin;I. Kukushkin

文献摘要

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研究了回旋磁等离子体模弛豫时间与二维电子系统中的电子浓度和温度的关系。对回旋加速器和输运弛豫时间进行了比较分析。结果表明，随着温度的升高，输运弛豫时间趋于回旋弛豫时间。结果还表明，回旋弛豫时间与输运弛豫时间相反，具有弱的电子密度依赖性。在低密度范围内，回旋时间可以超过输运弛豫时间一个数量级。
Dependence of cyclotron magneto-plasma mode relaxation time on electron concentration and temperature in the two-dimensional electron system in GaAs/AlGaAs quantum wells has been studied. Comparative analysis of cyclotron and transport relaxation time has been carried out. It was demonstrated that with the temperature increase transport relaxation time tends to cyclotron relaxation time. It was also shown that cyclotron relaxation time, as opposed to transport relaxation time, has a weak electron density dependence. The cyclotron time can exceed transport relaxation time by an order of magnitude in a low-density range.