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Journal article

Intermittent Switching between Soliton Dynamic States in a Perturbed Sine-Gordon Model

By Sørensen, Mads Peter1; Arley, N.2; Christiansen, Peter Leth1; Parmentier, R. D.2; Skovgaard, Ove3,4

From

Department of Informatics and Mathematical Modeling, Technical University of Denmark1

Technical University of Denmark2

Applied functional analysis, Department of Mathematics, Technical University of Denmark3

Department of Mathematics, Technical University of Denmark4

Chaotic intermittency between soliton dynamic states has been found in a perturbed sine-Gordon system in the absence of an external ac driving term. The system is a model of a long Josephson oscillator with constant loss and bias current in an external magnetic field. The results predict the existence of a current step between the first two Fiske steps in the current-voltage characteristic.

A simple probability model demonstrates an asymmetry in the statistical nature of the switching in the two directions.

Language: English
Year: 1983
Pages: 1919-1922
ISSN: 10797114 and 00319007
Types: Journal article
DOI: 10.1103/PhysRevLett.51.1919
ORCIDs: Sørensen, Mads Peter and Christiansen, Peter Leth

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