BALLISTIC CURRENT VORTEX EXCITATIONS IN ELECTRON WAVE-GUIDE STRUCTURES

被引：48
|
作者：
LENT, CS
机构：
[1] Department of Electrical Engineering, University of Notre Dame, Notre Dame
来源：
APPLIED PHYSICS LETTERS | 1990年 / 57卷 / 16期
关键词：
D O I：
10.1063/1.104083
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Coherent ballistic transport through a cavity in a quantum electron waveguide is examined. Electrons passing through the cavity excite vortices in the current density in the cavity. The circulating currents may be larger than the current in the waveguide leads. Vortex excitations are possible even when the incoming current is totally reflected and no net current passes through the cavity.
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页码：1678 / 1680
页数：3
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