Abstract
Using time-dependent Ginzburg-Landau theory we find oscillations of critical current density as a function of the length of the bridge formed from a two-band superconductor. We explain this effect by the appearance of the phase solitons in the bridge at , whose number changes with a change of . In the case of sufficiently strong interband coupling, oscillations of disappear.
- Received 24 November 2017
- Revised 25 January 2018
DOI:https://doi.org/10.1103/PhysRevB.97.104505
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