Absence of scaling in the integer quantum hall effect

被引：54

作者：

Balaban, NQ ^{[1
]}

Meirav, U ^{[1
]}

Bar-Joseph, I ^{[1
]}

机构：

[1] Weizmann Inst Sci, Dept Condensed Matter Phys, Braun Ctr Submicron Res, IL-76100 Rehovot, Israel

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 81卷 / 22期

关键词：

D O I：

10.1103/PhysRevLett.81.4967

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have studied the conductivity peak in the transition region between the two lowest integer quantum Hall states using transmission measurements of edge magnetoplasmons. The width of the transition region is found to increase linearly with frequency but remains finite when extrapolated to zero frequency and temperature. Contrary to prevalent theoretical pictures, our data do not show the scaling characteristics of critical phenomena. These results suggest that a different mechanism governs the transition in our experiment. [S0031-9007(98)07743-6].

引用

页码：4967 / 4970

页数：4

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