Evidence for collectively phase-locked Shapiro steps in stacked Nb/Al-AlOx/Nb Josephson junctions

被引：1
|
作者：
Song, SN [1 ]
Thomas, C [1 ]
Rippert, ED [1 ]
Maglic, S [1 ]
Song, YC [1 ]
Lin, SW [1 ]
Lin, CT [1 ]
Ulmer, M [1 ]
Ketterson, JB [1 ]
机构：
[1] NORTHWESTERN UNIV,MAT RES CTR,EVANSTON,IL 60208
来源：
PHYSICS LETTERS A | 1996年 / 211卷 / 03期
关键词：
Josephson junction; Shapiro step;
D O I：
10.1016/0375-9601(95)00956-6
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
When subjected to microwave radiation, the I-V characteristics of stacked Josephson junctions should exhibit interesting new features which are absent in a single junction. Evidence for collectively phase-locked Shapiro steps and coherent phase-locking of fluxon motion to the external microwave field has been found in observations on stacked Nb/Al-AlOx/Nb Josephson junctions.
引用
收藏
页码：172 / 176
页数：5
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