Interaction-induced merging of Landau levels in an electron system of double quantum wells

被引：5
|
作者：
Shashkin, A. A. [1 ]
Dolgopolov, V. T. [1 ]
Clark, J. W. [2 ,3 ]
Shaginyan, V. R. [4 ]
Zverev, M. V. [5 ,6 ]
Khodel, V. A. [2 ,3 ,5 ]
机构：
[1] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow Region, Russia
[2] Washington Univ, McDonnell Ctr Space Sci, St Louis, MO 63130 USA
[3] Washington Univ, Dept Phys, St Louis, MO 63130 USA
[4] Natl Res Ctr, Petersburg Nucl Phys Inst, Kurchatov Inst, Gatchina 188300, Russia
[5] Natl Res Ctr, Kurchatov Inst, Moscow 123182, Russia
[6] State Univ, Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Region, Russia
来源：
JETP LETTERS | 2015年 / 102卷 / 01期
基金：
俄罗斯基础研究基金会;
关键词：
MAGNETIC-FIELD; FERMI LIQUIDS; SILICON;
D O I：
10.1134/S0021364015130135
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We show that the disappearance of the chemical potential jumps over the range of perpendicular magnetic fields at fixed integer filling factor in a double quantum well with a tunnel barrier is caused by the interactioninduced level merging. The distribution function in the merging regime is special in that the probability to find an electron with energy equal to the chemical potential is different for the two merged levels.
引用
收藏
页码：36 / 40
页数：5
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