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Microwave-induced resistance oscillations versus magnetoabsorption in two-dimensional electron systems: Role of temperature

机译:二维电子系统中微波诱导的电阻振荡与磁吸收的关系:温度的作用

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摘要

Magnetoabsorption and microwave-induced resistance oscillations in two-dimensional electron systems are calculated with the same theoretical approach, the microwave-driven Larmor orbit model. This theory, which first was developed to obtain microwave-induced zero resistance states and resistance oscillations, permits us also to calculate the microwave magnetoabsorption. We study the influence of temperature on magnetoabsorption, obtaining a progressive quenching of the absorption peak as temperature increases. We compare this quenching with the similar behavior that the microwave-induced magnetoresistance oscillations present. This quenching is explained in terms of electron-acoustic phonons scattering for both effects.
机译:使用相同的理论方法,即微波驱动的拉莫尔轨道模型,可以计算二维电子系统中的磁吸收和微波感应的电阻振荡。该理论首先被开发以获得微波感应的零电阻状态和电阻振荡,这使我们还可以计算微波磁吸收。我们研究了温度对磁吸收的影响,随着温度的升高获得了吸收峰的逐步淬灭。我们将这种淬火与微波诱导的磁阻振荡存在的相似行为进行比较。对于这两种效应,均用电子声子散射来解释这种猝灭。

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