Josephson junction analog and quasiparticle-pair current

Christen Kjeldahl Bak, Niels Falsig Pedersen

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A close analogy exists between a Josephson junction and a phase-locked loop. A new type of electrical analog based on this principle is presented. It is shown that the inclusion in this analog of a low-pass filter gives rise to a current of the same form as the Josephson quasiparticle-pair current. A simple picture of the quasiparticle-pair current, which gives the right dependences, is obtained by assuming a junction cutoff frequency to be at the energy gap. ©1973 American Institute of Physics
Original languageEnglish
JournalApplied Physics Letters
Issue number4
Pages (from-to)149-150
Publication statusPublished - 1973

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Copyright (1973) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

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