Vortex nucleation in type-I superconducting layer covering a type-II superconductor
A. V. Bodyagin, D. Yu. Vodolazov
DOI 10.1103/m89r-tm8b · Physical Review B
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Abstract
Within the framework of the Ginzburg-Landau model, it has been shown that in a composite system consisting of type-I and type-II superconductors with a large coherence length difference ξI≫ξII, Abrikosov vortices may appear in the type-I superconductor as superconductivity is restored upon decreasing the magnetic field. The vortices enter the type-I superconductor through its boundary with the vacuum and reach the boundary with the type-II superconductor, which is in the Meissner state. We have found conditions under which the chain of vortices can exist at the I/II interface even at zero magnetic field.
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