Mechanism of energy relaxation in the system of Landau levels in quantum wells

被引：5
|
作者：
Telenkov, M. P. [1 ,2 ]
Mityagin, Yu. A. [1 ,3 ]
Agafonov, V. V. [1 ]
Nagaraja, K. K. [1 ,2 ]
机构：
[1] Russian Acad Sci, Lebedev Phys Inst, Leninskii Pr 53, Moscow 119991, Russia
[2] Natl Univ Sci & Technol MISiS, Moscow 119049, Russia
[3] Natl Res Nucl Univ MEPhI, Moscow 115409, Russia
来源：
JETP LETTERS | 2015年 / 102卷 / 10期
基金：
俄罗斯基础研究基金会;
关键词：
POPULATION-INVERSION;
D O I：
10.1134/S0021364015220129
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The kinetics of intersubband relaxation of electron energy has been studied in the system of Landau levels lying below the optical phonon energy. The relaxation character in the considered system is revealed to differ qualitatively from that in the two-dimensional continuous subband of the quantum well. In particular, the mechanisms of electron subsystem thermalization and energy relaxation in the system of Landau levels are qualitatively different, and the electron subsystem relaxation time exceeds the thermalization time by several orders of magnitude.
引用
收藏
页码：678 / 682
页数：5
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