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Microfluidic manipulation of magnetic flux domains in type-I superconductors: droplet formation, fusion and fission

The magnetic flux domains in the intermediate state of type-I superconductors are known to resemble fluid droplets, and their dynamics in applied electric current is often cartooned as a “dripping faucet”. Here we show, using the time-depended Ginzburg-Landau simulations, that microfluidic principle...

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Autores principales: Berdiyorov, G. R., Milošević, M. V., Hernández-Nieves, A. D., Peeters, F. M., Domínguez, D.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5608719/
https://www.ncbi.nlm.nih.gov/pubmed/28935888
http://dx.doi.org/10.1038/s41598-017-11659-2
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author Berdiyorov, G. R.
Milošević, M. V.
Hernández-Nieves, A. D.
Peeters, F. M.
Domínguez, D.
author_facet Berdiyorov, G. R.
Milošević, M. V.
Hernández-Nieves, A. D.
Peeters, F. M.
Domínguez, D.
author_sort Berdiyorov, G. R.
collection PubMed
description The magnetic flux domains in the intermediate state of type-I superconductors are known to resemble fluid droplets, and their dynamics in applied electric current is often cartooned as a “dripping faucet”. Here we show, using the time-depended Ginzburg-Landau simulations, that microfluidic principles hold also for the determination of the size of the magnetic flux-droplet as a function of the applied current, as well as for the merger or splitting of those droplets in the presence of the nanoengineered obstacles for droplet motion. Differently from fluids, the flux-droplets in superconductors are quantized and dissipative objects, and their pinning/depinning, nucleation, and splitting occur in a discretized form, all traceable in the voltage measured across the sample. At larger applied currents, we demonstrate how obstacles can cause branching of laminar flux streams or their transformation into mobile droplets, as readily observed in experiments.
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spelling pubmed-56087192017-10-04 Microfluidic manipulation of magnetic flux domains in type-I superconductors: droplet formation, fusion and fission Berdiyorov, G. R. Milošević, M. V. Hernández-Nieves, A. D. Peeters, F. M. Domínguez, D. Sci Rep Article The magnetic flux domains in the intermediate state of type-I superconductors are known to resemble fluid droplets, and their dynamics in applied electric current is often cartooned as a “dripping faucet”. Here we show, using the time-depended Ginzburg-Landau simulations, that microfluidic principles hold also for the determination of the size of the magnetic flux-droplet as a function of the applied current, as well as for the merger or splitting of those droplets in the presence of the nanoengineered obstacles for droplet motion. Differently from fluids, the flux-droplets in superconductors are quantized and dissipative objects, and their pinning/depinning, nucleation, and splitting occur in a discretized form, all traceable in the voltage measured across the sample. At larger applied currents, we demonstrate how obstacles can cause branching of laminar flux streams or their transformation into mobile droplets, as readily observed in experiments. Nature Publishing Group UK 2017-09-21 /pmc/articles/PMC5608719/ /pubmed/28935888 http://dx.doi.org/10.1038/s41598-017-11659-2 Text en © The Author(s) 2017 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Berdiyorov, G. R.
Milošević, M. V.
Hernández-Nieves, A. D.
Peeters, F. M.
Domínguez, D.
Microfluidic manipulation of magnetic flux domains in type-I superconductors: droplet formation, fusion and fission
title Microfluidic manipulation of magnetic flux domains in type-I superconductors: droplet formation, fusion and fission
title_full Microfluidic manipulation of magnetic flux domains in type-I superconductors: droplet formation, fusion and fission
title_fullStr Microfluidic manipulation of magnetic flux domains in type-I superconductors: droplet formation, fusion and fission
title_full_unstemmed Microfluidic manipulation of magnetic flux domains in type-I superconductors: droplet formation, fusion and fission
title_short Microfluidic manipulation of magnetic flux domains in type-I superconductors: droplet formation, fusion and fission
title_sort microfluidic manipulation of magnetic flux domains in type-i superconductors: droplet formation, fusion and fission
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5608719/
https://www.ncbi.nlm.nih.gov/pubmed/28935888
http://dx.doi.org/10.1038/s41598-017-11659-2
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