Magnetic field patterns in Josephson junctions

H. C. Yang, D. K. Finnemore

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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-super-conductor (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.

    原文英語
    頁(從 - 到)187-193
    頁數7
    期刊Journal of Low Temperature Physics
    64
    發行號3-4
    DOIs
    出版狀態已發佈 - 1986 八月 1

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics
    • Materials Science(all)
    • Condensed Matter Physics

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