PHONON EMISSION FROM A DISORDERED 2-DIMENSIONAL ELECTRON-GAS IN A STRONG MAGNETIC-FIELD

被引：17
|
作者：
BENEDICT, KA
机构：
[1] Dept. of Phys., Nottingham Univ.
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 1991年 / 3卷 / 10期
关键词：
D O I：
10.1088/0953-8984/3/10/006
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The angular distribution of the phonon emission from a heated two-dimensional electron gas in a strong magnetic field is studied. It is shown that for processes involving inter-Landau level transitions a simple decoupling approximation is sufficient in treating the disorder; intra-Landau level processes are, however, seen to require more careful treatment and an analysis using the self-consistent Born approximation is given.
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页码：1279 / 1291
页数：13
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