Persistent currents in the double Aharonov-Bohm ring connected to electron reservoirs

被引：0
|
作者：
Zhang Ying [1 ]
Xiao Jing-Lin
机构：
[1] Hebei Normal Univ Sci & Technol, Dept Math & Phys, Qinhuangdao 066004, Peoples R China
[2] Inner Mongolia Natl Univ, Coll Phys & Electromech, Tongliao 028043, Peoples R China
来源：
COMMUNICATIONS IN THEORETICAL PHYSICS | 2007年 / 47卷 / 03期
关键词：
quantum waveguide theory; mesoscopic structure; persistent currents;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study persistent currents in the double Aharonov-Bohm ring connected to two electron reservoirs by quantum waveguide theory. It is found that the persistent currents in the double Aharonov-Bohm ring depend on the direction of the current flow from one reservoir to another. When the direction of the current flow reverses, the persistent current in each ring of the double Aharonov-Bohm ring changes. If the two rings are of the same size, tile persistent currents in the left and the right rings exchange at the reversal of the current flow direction.
引用
收藏
页码：573 / 576
页数：4
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