Direct evidence for oscillatory screening in the quantum Hall effect regime

被引：9
|
作者：
Raymond, A [1 ]
Couzinet, B
Elmezouar, MI
Kubisa, M
Zawadzki, W
Etienne, B
机构：
[1] Univ Montpellier 2, Etud Semicond Grp, CNRS, UMR, F-34095 Montpellier, France
[2] Wroclaw Univ Technol, Inst Phys, PL-50370 Wroclaw, Poland
[3] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
[4] CNRS, Microstruct & Microelect Lab, F-98220 Bagneux, France
来源：
EUROPHYSICS LETTERS | 1998年 / 43卷 / 03期
关键词：
D O I：
10.1209/epl/i1998-00362-7
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Oscillations of magneto-donor binding energies are observed in photoluminescence spectra of modulation-doped GaAs/Ga0.67Al0.33As heterostructure. Both the experiment and the underlying theory provide direct evidence for an oscillatory screening of the Coulomb interaction by two-dimensional electron gas in the quantum Hall effect regime.
引用
收藏
页码：337 / 342
页数：6
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