Soliton induced critical current oscillations in two-band superconducting bridges
Abstract
Using time-dependent Ginzburg-Landau theory we find oscillations of critical current density jc as a function of the length L of the bridge formed from two-band superconductor. We explain this effect by appearance of the phase solitons in the bridge at j<jc, those number changes with change of L. In case of sufficiently strong interband coupling oscillations of jc disappear.
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