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Hysteresis in rf-driven large-area josephson junctions

O. H. Olsen and M. R. Samuelsen
Phys. Rev. B 34, 3510(R) – Published 1 September 1986
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Abstract

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.

  • Received 24 March 1986

DOI:https://doi.org/10.1103/PhysRevB.34.3510

©1986 American Physical Society

Authors & Affiliations

O. H. Olsen

  • Systems Engineering, Niro Atomizer, Gladsaxevej 305, DK-2860 Soeborg, Denmark

M. R. Samuelsen

  • Physics Laboratory I, The Technical University of Denmark, DK-2800 Lyngby, Denmark

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Vol. 34, Iss. 5 — 1 September 1986

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