Influence of noise and near-resonant perturbations on bifurcations in Josephson junctions

H. Svensmark; J. Bindslev Hansen; N. F. Pedersen

doi:10.1103/PhysRevA.35.1457

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Influence of noise and near-resonant perturbations on bifurcations in Josephson junctions

H. Svensmark, J. Bindslev Hansen, N. F. Pedersen

DOI 10.1103/PhysRevA.35.1457 · Physical Review A

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Abstract

The stabilization of a nonlinear system against period-doubling bifurcations by means of a periodic perturbation has been investigated. With the Josephson junction as a model system, both numerical simulations (including noise) and measurements on Josephson tunnel junctions have been performed. The effect of the noise is found to be of fundamental importance.

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