Publicação: Ultra‑fast kinematic vortices in mesoscopic superconductors: the effect of the self‑field
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2020-10-29
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Nature Research
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Artigo
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In the present work, we have studied the crossover between type I and type II superconductivity on mesoscopic superconducting thin films by numerically solving the 3D Ginzburg-Landau equations. We determined the dependence on temperature of the critical Ginzburg-Landau parameter kc(d), below which the superconductor behaves as type I for a given thickness d of the film. The effect of the sample dimensions on this crossover was also investigated. Additionally, we report a novel giant vortex configuration with a local minimum of the magnetic field at the centre of the core. Finally, we present certain results suggesting that the vortex-vortex interaction is not monotonic, varying instead from long-range attraction to short-range repulsion.
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Cadorim, L.R., de Oliveira Junior, A. & Sardella, E. Ultra-fast kinematic vortices in mesoscopic superconductors: the effect of the self-field. Sci Rep 10, 18662 (2020). https://doi.org/10.1038/s41598-020-75748-5
