PEAK VALUES OF CONDUCTIVITY IN INTEGER AND FRACTIONAL QUANTUM HALL-EFFECT

被引:23
|
作者
ROKHINSON, LP
SU, B
GOLDMAN, VJ
机构
[1] Department of Physics, State University of New York, Stony Brook
基金
美国国家科学基金会;
关键词
QUANTUM HALL EFFECT; FRACTIONAL QUANTUM HALL EFFECT;
D O I
10.1016/0038-1098(95)00442-4
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The diagonal conductivity sigma(xx) was measured in the Corbino geometry in both integer and fractional quantum Hall effect (QHE). We find that peak values of a,, are approximately equal for transitions in a wide range of integer filling factors 3 < upsilon < 16, as expected in scaling theories of QHE. This fact allows us to compare peak values in the integer and fractional regimes within the framework of the law of corresponding states.
引用
收藏
页码:309 / 312
页数:4
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