Minimal length of Josephson junctions with stable fluxon bound states

Abstract

The minimal length of ``one-dimensional'' Josephson junctions, in which the specific bound states of the magnetic flux retain their stability is discussed numerically. Thereby, we consider as ``long'' every Josephson junction, in which there exists at least one nontrivial stable distribution of the magnetic flux for fixed values of all the physical and the geometrical parameters. Our results can be applied for optimization of the sizes of devices containing Josephson junctions for different operating conditions.

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• arXiv (Cornell University) - View - PDF
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• Superconductor Science and Technology - View