Self-field effects in superconductor-normal metal-superconductor junctions

Shoichi Nagata; H. C. Yang; D. K. Finnemore

doi:10.1063/1.331417

Self-field effects in superconductor-normal metal-superconductor junctions

Shoichi Nagata^*, H. C. Yang, D. K. Finnemore

^*此作品的通信作者

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

5 引文斯高帕斯（Scopus）

摘要

The temperature dependence of the dc Josephson critical supercurrent has been measured for square lead-zinc-lead (superconductor-normal metal-superconductor) junctions in order to make a quantitative study of self-field effects. Correction for the critical current density, J_c, due to the self-field effect is made by using the linearized two-dimensional model proposed by Vaglio. We calculate the temperature dependence of the Josephson penetration depth, λ_J and find J_c to be proportional to (1-T/T_c)² in the range where λ_J is comparable to the junction width, W.

原文	英語
頁（從 - 到）	5798-5801
頁數	4
期刊	Journal of Applied Physics
卷	53
發行號	8
DOIs	https://doi.org/10.1063/1.331417
出版狀態	已發佈 - 1982
對外發佈	是

ASJC Scopus subject areas

物理與天文學 (全部)

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10.1063/1.331417

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AB - The temperature dependence of the dc Josephson critical supercurrent has been measured for square lead-zinc-lead (superconductor-normal metal-superconductor) junctions in order to make a quantitative study of self-field effects. Correction for the critical current density, Jc, due to the self-field effect is made by using the linearized two-dimensional model proposed by Vaglio. We calculate the temperature dependence of the Josephson penetration depth, λJ and find Jc to be proportional to (1-T/Tc)2 in the range where λJ is comparable to the junction width, W.

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Self-field effects in superconductor-normal metal-superconductor junctions

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