High-frequency Hall Effect and Transverse Electric Galvanomagnetic Waves in Current-biased 2D Electron Systems

被引：3

作者：

Petrov, A. S. ^{[1
]}

Svintsov, D. ^{[1
]}

机构：

[1] Moscow Inst Phys & Technol, Lab Mat Optoelect 2D, Dolgoprudnyi 141701, Russia

来源：

JETP LETTERS | 2024年 / 119卷 / 10期

基金：

俄罗斯科学基金会;

关键词：

INSTABILITY;

D O I：

10.1134/S0021364024600563

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We derive the electrodynamic conductivity tensor for 2DESs with dc drift with account for the high-frequency Hall effect (interaction of dc current with ac magnetic field). We demonstrate the limitations of the quasistatic approach which neglects this effect. With the help of electrodynamic conductivity we find a novel two-dimensional transverse electric (TE) electromagnetic mode. This mode is non-reciprocal with dispersion omega = ku 0 and manifests itself in lowering the reflection coefficient of 2DES at the resonance frequency. In addition, we predict birefringence of an incident evanescent TE wave on a 2DES system with drift and find hints of Cerenkov amplification in the low frequency limit. We discuss the limitng cases when the quasistatic approach is suitable.

引用

页码：800 / 806

页数：7

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