Parametric excitation of plasma oscillations in Josephson Junctions

Niels Falsig Pedersen, Mogens Rugholm Samuelsen, Knud Særmark

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Abstract

A theory is presented for parametric excitation of plasma oscillations in a Josephson junction biased in the zero voltage mode. A threshold curve for the onset of the parametric excitation is deduced via the stability properties of a Mathieu differential equation obtained by a self-consistent linearization procedure. The important parameters turn out to be the plasma frequency and the circuit losses. The results of the calculation are compared with the experiments performed on a Josephson junction analog and good agreement is obtained. It is suggested that the effect should be observable in tunnel junctions, but perhaps less likely in point contacts. ©1973 American Institute of Physics
Original languageEnglish
JournalJournal of Applied Physics
Volume44
Issue number11
Pages (from-to)5120-5124
ISSN0021-8979
DOIs
Publication statusPublished - 1973

Bibliographical note

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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