MAGNETIC FIELD PATTERNS IN JOSEPHSON JUNCTIONS.

被引：0
|
作者：
Yang, H.C. [1 ]
Finnemore, D.K. [1 ]
机构：
[1] US DOE, Ames, IA, USA, US DOE, Ames, IA, USA
来源：
| 1600年 / 64期
关键词：
MAGNETIC FIELDS;
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摘要：
The critical currents of Pb/Ag/Pb Josephson junctions have been measured as a function of magnetic field and temperature in order to study the types of magnetic field distributions that occur in superconductor-normal metal-superconductor (SNS) junctions. A study is made of the quantum interference regime near the critical temperature where the junction is filled with vortices and the crossover to Meissner-like behavior at low temperature occurs. Special emphasis is placed on the changes in effective area of the junction as the London and Josephson penetration depths change with temperature. A mapping of the crossover regime in the temperature-magnetic field plane is given.
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