PERIODIC MAGNETIC MODULATION OF A 2-DIMENSIONAL ELECTRON-GAS - TRANSPORT-PROPERTIES

被引：57

作者：

VASILOPOULOS, P ^{[1
]}

PEETERS, FM ^{[1
]}

机构：

[1] UNIV INSTELLING ANTWERP,DEPT PHYS,UIA,B-2610 WILRIJK,BELGIUM

来源：

SUPERLATTICES AND MICROSTRUCTURES | 1990年 / 7卷 / 04期

基金：

美国国家科学基金会; 加拿大自然科学与工程研究理事会;

关键词：

Electric Conductivity - Magnetic Properties;

D O I：

10.1016/0749-6036(90)90232-V

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Electrical transport of the two-dimensional electron gas (2DEG) is considered in the presence of a perpendicular magnetic field(B) which is modulated weakly and periodically along one direction by -B0 sin(Kx). The magnetoresistivity exhibits novel oscillations which: 1) are 90° shifted with respect to similar oscillations discovered for a 1D electrical periodic potential, and 2) their amplitude is an order of magnitude larger than for a corresponding electrical potential modulation with strength equal to h {combining short stroke overlay}ωc0 = h {combining short stroke overlay}eB0/m*c. © 1990.

引用

页码：393 / 395

页数：3

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