LOW-FREQUENCY NOISE IN THE REENTRANT INSULATING PHASE AROUND THE 1/5 FRACTIONAL QUANTUM HALL LIQUID

被引：119

作者：

LI, YP

SAJOTO, T

ENGEL, LW

TSUI, DC

SHAYEGAN, M

机构：

[1] Department of Electrical Engineering, Princeton Univeristy, Princeton

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 67卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.67.1630

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present data on the low-frequency noise of the high-field conducting state in the insulating phase around the 1/5 fractional quantum Hall liquid at B = 11.9 T and how it correlates with the strongly nonlinear I-V characteristic. The noise is characteristic of a weakly pinned two-dimensional Wigner crystal reentrant around the 1/5 liquid. For v < 1/5, it reaches a peak and then vanishes in the more insulating regime (B greater-than-or-similar-to 12.7 T in our sample) where the system is better described as a 2D Wigner glass.

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页码：1630 / 1633

页数：4

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