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Title
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Vortex manipulation in superconducting films with tunable magnetic topology
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Author
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Abstract
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| Using a combination of the phenomenological GinzburgLandau theory and micromagnetic simulations, we study properties of a superconducting film with an array of soft magnetic dots on top. An external in-plane magnetic field gradually drives the magnets from an out-of-plane or magnetic vortex state to an in-plane single-domain state, which changes spatially the distribution of the superconducting condensate. If induced by the magnets, the vortexantivortex molecules exhibit rich transitions as a function of the applied in-plane field. At the same time, we show how the magnetic dots act as very effective dynamic pinning centers for vortices in an applied perpendicular magnetic field. |
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Language
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English
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Source (journal)
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Superconductor science and technology. - Bristol
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Publication
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Bristol
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2011
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ISSN
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0953-2048
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DOI
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10.1088/0953-2048/24/2/024001
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Volume/pages
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24
:2
(2011)
, p. 024001,1-024001,6
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Article Reference
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024001
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ISI
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000286379900002
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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