Quantization of acoustoelectric current in a ballistic channel

被引：3

作者：

Margulis, VA ^{[1
]}

Trushin, MP ^{[1
]}

Shorokhov, AV ^{[1
]}

机构：

[1] Mordovian NP Ogarev State Univ, Saranks 430000, Russia

来源：

JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2002年 / 94卷 / 06期

基金：

俄罗斯基础研究基金会;

关键词：

D O I：

10.1134/1.1493168

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The electric current induced by an ultrasonic phonon flux in a ballistic quasi-two-dimensional quantum channel is investigated theoretically. Two types of confining potential are considered. An analytic expression for the acoustoelectric current is derived, and its dependence on the chemical potential and on the magnitude of the longitudinal magnetic field is investigated. It is shown that the dependence of the acoustoelectric current on the chemical potential may be of the experimentally observed step type. The oscillatory dependence of the acoustoelectric current on the magnetic field is considered for the cases of weak and strong magnetic quantization. (C) 2002 MAIK "Nauka / Interperiodica".

引用

页码：1160 / 1168

页数：9

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