SELECTIVE EQUILIBRATION AMONG THE CURRENT-CARRYING STATES IN THE QUANTUM HALL REGIME

被引：201

作者：

ALPHENAAR, BW ^{[1
]}

MCEUEN, PL ^{[1
]}

WHEELER, RG ^{[1
]}

SACKS, RN ^{[1
]}

机构：

[1] UNITED TECHNOL RES CTR,E HARTFORD,CT 06108

来源：

PHYSICAL REVIEW LETTERS | 1990年 / 64卷 / 06期

关键词：

D O I：

10.1103/PhysRevLett.64.677

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The Hall resistance of a two-dimensional electron gas is measured with gated probes to determine the extent of equilibration among the N current-carrying states in the quantum Hall regime. After traveling macroscopic distances (80 m), current injected into the first state is equilibrated among the N-1 lowest states but equilibration into the highest state varies strongly across the Hall plateau. This is attributed to a change in the Nth state from being localized within a magnetic length of the edge to substantially extending into the sample. © 1990 The American Physical Society.

引用

页码：677 / 680

页数：4

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