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Local Josephson vortex generation and manipulation with a Magnetic Force Microscope
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Number of Authors: 142019 (English)In: Nature Communications, ISSN 2041-1723, E-ISSN 2041-1723, Vol. 10, article id 4009Article in journal (Refereed) Published
Abstract [en]

Josephson vortices play an essential role in superconducting quantum electronics devices. Often seen as purely conceptual topological objects, 2 pi-phase singularities, their observation and manipulation are challenging. Here we show that in Superconductor-Normal metal- Superconductor lateral junctions Josephson vortices have a peculiar magnetic fingerprint that we reveal in Magnetic Force Microscopy (MFM) experiments. Based on this discovery, we demonstrate the possibility of the Josephson vortex generation and manipulation by the magnetic tip of a MFM, thus paving a way for the remote inspection and control of individual nano-components of superconducting quantum circuits.

Place, publisher, year, edition, pages
2019. Vol. 10, article id 4009
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Physical Sciences
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URN: urn:nbn:se:su:diva-174875DOI: 10.1038/s41467-019-11924-0ISI: 000483922400009PubMedID: 31488813OAI: oai:DiVA.org:su-174875DiVA, id: diva2:1360666
Available from: 2019-10-14 Created: 2019-10-14 Last updated: 2019-10-14Bibliographically approved

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Shishkin, Andrey G.Baranov, Denis S.Krasnov, Vladimir M.
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