Effect of quantum interference in the nonlinear conductance of metallic microconstrictions

被引：22
|
作者：
Namiranian, A [1 ]
Kolesnichenko, YA
Omelyanchouk, AN
机构：
[1] Inst Adv Studies Basic Sci, Gava Zang 45195, Zanjan, Iran
[2] Natl Acad Sci Ukraine, B Verkin Inst Low Temp Phys & Engn, UA-310164 Kharkov, Ukraine
来源：
PHYSICAL REVIEW B | 2000年 / 61卷 / 24期
关键词：
D O I：
10.1103/PhysRevB.61.16796
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of the interference of electron waves, which were scattered by single impurities on nonlinear quantum conductance of metallic microconstrictions [as was recently investigated experimentally B. Ludoph rt al., Phys. Rev. Lett. 82, 1530 (1999)] is studied theoretically. The dependence of the interference pattern in the conductance G(V) on the contact diameter and the spatial distribution of impurities is analyzed. It is shown that the amplitude of conductance oscillation is strongly dependent on the position of impurities inside the constriction.
引用
收藏
页码：16796 / 16800
页数：5
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