SELF-FIELD EFFECTS IN 2-DIMENSIONAL NB JOSEPHSON-JUNCTION ARRAYS

被引：5
|
作者：
TRIAS, E
PHILLIPS, JR
VANDERZANT, HSJ
ORLANDO, TP
机构：
[1] Massachusetts Institute of Technology, Cambridge
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1995年 / 5卷 / 02期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1109/77.403149
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We have measured two-dimensional niobium Josephson junction arrays in which self induced fields are important. We find an increase of the depinning current when lambda(perpendicular to), the penetration depth in the array, is of the order of one. There is evidence for a destruction of commensurate vortex states in the arrays as the depinning current becomes almost independent of the applied magnetic field. Our data also show that self-field effects change the array flux-flow dynamics and decrease the effective array viscosity.
引用
收藏
页码：2707 / 2710
页数：4
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