Quantized electron transport through a time-dependent potential barrier

被引：43
|
作者：
Maksym, PA [1 ]
机构：
[1] Univ Leicester, Dept Phys & Astron, Leicester LE1 7RH, Leics, England
来源：
PHYSICAL REVIEW B | 2000年 / 61卷 / 07期
关键词：
D O I：
10.1103/PhysRevB.61.4727
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Electron transport by a potential minimum that moves through a barrier is investigated numerically and theoretically. The integrated electron transfer as a function of the Fermi level has a series of plateaus, each of which corresponds to an integral number of electrons. The accuracy of the quantization depends on the barrier height and can be 1 part in 10(10) or better. The transport mechanism involves nonadiabatic Landau-Zener transitions.
引用
收藏
页码：4727 / 4730
页数：4
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