Evidence of nonlocal breakdown of the integer quantum hall effect

被引：90

作者：

Komiyama, S ^{[1
]}

Kawaguchi, Y ^{[1
]}

Osada, T ^{[1
]}

Shiraki, Y ^{[1
]}

机构：

[1] UNIV TOKYO,ADV SCI & TECHNOL RES CTR,MEGURO KU,TOKYO,JAPAN

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 77卷 / 03期

关键词：

D O I：

10.1103/PhysRevLett.77.558

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Current induced breakdown of the integer quantum Hall effect (QHE) is studied in GaAs/AlGaAs single heterostructure Hall bars at T = 1.6-4.2 K and B = 2-6 T (v = 2, 4, and 6). The QHE breakdown is absent over a macroscopic region in the two-dimensional electron gas channel on the side of the electron-injecting corner of the Hall bars. The observed nonlocal nature suggests that bootstrap-type electron heating is relevant to the QHE breakdown.

引用

页码：558 / 561

页数：4

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