Hysteresis in rf-driven large-area josephson junctions

O. H. Olsen, Mogens Rugholm Samuelsen

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We have studied the effect of an applied rf signal on the radiation emitted from a large-area Josephson junction by means of a model based on the sine-Gordon equation. The rms value of the voltage of the emitted signal has been calculated and a hysteresis loop found. An analysis shows that the hysteresis is due to the nonlinearity in the system, i.e., the dynamics of the lower branch can be described by a solution to the linearized system while the upper branch is described by a breather mode. These solutions are frequency locked to the driving signal. Various characteristics of the loop such as threshold value and level of the branch are predicted analytically.
Original languageEnglish
JournalPhysical Review B
Issue number5
Pages (from-to)3510-3512
Publication statusPublished - 1986

Bibliographical note

Copyright (1986) by the American Physical Society.


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