Slow Dynamics in the Breakdown of the Quantum Hall Effect

被引：2
|
作者：
Akera, Hiroshi [1 ]
机构：
[1] Hokkaido Univ, Grad Sch Engn, Div Appl Phys, Sapporo, Hokkaido 0608628, Japan
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2009年 / 78卷 / 02期
基金：
日本学术振兴会;
关键词：
quantum Hall effect; dynamics; nonlinear transport; local equilibrium; theory; SYSTEMS;
D O I：
10.1143/JPSJ.78.023708
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Dynamics during the breakdown of the quantum Hall effect is studied theoretically in the Corbino geometry at a filling factor of 2. Spatio-temporal variations of the density of electrons in the first excited Landau level are calculated as well as those of the electron temperature. It is shown that the time constant of the population in this Landau level becomes quite long when the electron temperature is low compared to the Landau-level width.
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页数：4
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