Arithmetic of the integer quantum Hall effect

被引：1
|
作者：
Srivastava, V [1 ]
机构：
[1] Univ Hyderabad, Sch Phys, Hyderabad 500046, Andhra Pradesh, India
来源：
FOUNDATIONS OF PHYSICS LETTERS | 1998年 / 11卷 / 06期
关键词：
localized states; extended states; mobility gap; floatation of states; critical disorder;
D O I：
10.1023/A:1022184825595
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The integer quantum Hall effect (IQHE) is analysed, considering the degeneracies of localized and extended states separately. Occupied localized and extended states are counted, and their variation is studied as a function of magnetic field. The number of current-carrying electrons is found to have a saw-tooth variation with magnetic field. The analysis addresses certain basic questions in the IQHE, particularly the one about floatation of extended states as the magnetic field tends to zero.
引用
收藏
页码：561 / 571
页数：11
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