Instabilities and resistance fluctuations in thin accelerated superconducting rings

Mikko Karttunen, K. R. Elder, Martin B. Tarlie, and Martin Grant
Phys. Rev. E 66, 026115 – Published 23 August 2002
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Abstract

The nonequilibrium properties of a driven quasi-one-dimensional superconducting ring subjected to a constant electromotive force (emf) is studied. The emf accelerates the superconducting electrons until the critical current is reached and a dissipative phase slip occurs that lowers the current. The phase-slip phenomena is examined as a function of the strength of the emf, thermal noise, and normal state resistivity. Numerical and analytic methods are used to make detailed predictions for the magnitude of phase slips and subsequent dissipation.

  • Received 21 November 2001

DOI:https://doi.org/10.1103/PhysRevE.66.026115

©2002 American Physical Society

Authors & Affiliations

Mikko Karttunen1,2, K. R. Elder3, Martin B. Tarlie4, and Martin Grant1

  • 1Department of Physics and Centre for the Physics of Materials, McGill University, 3600 rue University, Montréal, Québec, Canada H3A 2T8
  • 2Biophysics and Statistical Mechanics Group, Laboratory of Computational Engineering, Helsinki University of Technology, P.O. Box 9203, FIN-02015 HUT, Finland
  • 3Department of Physics, Oakland University, Rochester, Michigan, 48309-4487
  • 4James Franck Institute, University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637

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Issue

Vol. 66, Iss. 2 — August 2002

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