CONDUCTANCE THROUGH A QUANTUM DOT IN THE FRACTIONAL QUANTUM HALL REGIME

被引：43
|
作者：
KINARET, JM
MEIR, YG
WINGREEN, NS
LEE, P
WEN, XG
机构：
[1] Department of Physics, Massachusetts Institute of Technology, Cambridge
来源：
PHYSICAL REVIEW B | 1992年 / 45卷 / 16期
关键词：
D O I：
10.1103/PhysRevB.45.9489
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We study a parabolic quantum dot in the fractional quantum Hall regime by solving the problem exactly for up to eight electrons at filling factors between 1 and 1/3. Many-body coherence in the fractional regime strongly suppresses the resonant conductance through the dot below the integer-regime values. In particular, we predict that at nu = 1/3 all conductance peaks are lowered by a factor of 1/N, and that at nu = 2/3 odd and even peaks are suppressed differently.
引用
收藏
页码：9489 / 9492
页数：4
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