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dc.contributor.authorSlöetjes, Samuel Dingeman
dc.contributor.authorFolven, Erik
dc.contributor.authorGrepstad, Jostein
dc.date.accessioned2021-03-17T15:02:25Z
dc.date.available2021-03-17T15:02:25Z
dc.date.created2021-01-18T15:28:30Z
dc.date.issued2020
dc.identifier.citationPhysical review B (PRB). 2020, 101 (1), 014450-1-014450-6.en_US
dc.identifier.issn2469-9950
dc.identifier.urihttps://hdl.handle.net/11250/2733993
dc.description.abstract) with a flux-closure magnetic ground state were investigated by micromagnetic simulations. The system was excited with an applied magnetic field, displacing the vortex core sufficiently far from its equilibrium position to result in a nonlinear relaxation upon removal of the field. We find that creation of edge topological defects leads to exchange explosions and periodic emission of short-wavelength spin waves emanating from these defects. The exchange explosions of the edge topological defects are investigated and explained in terms of vortex/antivortex creation and the formation of a Bloch point. This finding could prove useful to the development of nanoscale devices for periodic generation of high-frequency microwave radiation.en_US
dc.language.isoengen_US
dc.publisherAmerican Physical Societyen_US
dc.titleExchange explosions of topological edge defects in a square micromagneten_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionpublishedVersionen_US
dc.source.pagenumber014450-1-014450-6en_US
dc.source.volume101en_US
dc.source.journalPhysical review B (PRB)en_US
dc.source.issue1en_US
dc.identifier.doi10.1103/PhysRevB.101.014450
dc.identifier.cristin1873439
dc.description.localcode© American Physical Society 2020.en_US
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode2


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