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Tailed skyrmions: An obscure branch of magnetic solitons
University of Iceland, Iceland;Peter Grünberg Institute and Institute for Advanced Simulation, Germany;RWTH Aachen University, Germany.
Peter Grünberg Institute and Institute for Advanced Simulation, Germany.
Uppsala University, Sweden.
Linnaeus University, Faculty of Technology, Department of Physics and Electrical Engineering. University of Iceland, Iceland.ORCID iD: 0000-0003-3351-7172
2023 (English)In: Frontiers in Physics, E-ISSN 2296-424X, Vol. 11, article id 171079Article in journal (Refereed) Published
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Abstract [en]

We report tailed skyrmions—a new class of stable soliton solutions of the 2D chiral magnet model. Tailed skyrmions have elongated shapes and emerge in a narrow range of fields near the transition between the spin spirals and the saturated state. We analyze the stability range of these solutions in terms of external magnetic field and magnetocrystalline anisotropy. We calculate minimum energy paths and homotopies (continuous transitions) between tailed skyrmions of the same topological charge. The discovery of tailed skyrmions extends the diversity of already known solutions. This is illustrated by solitons with complex morphology, such as tailed skyrmion bags with and without chiral kinks.

Place, publisher, year, edition, pages
Frontiers Media S.A., 2023. Vol. 11, article id 171079
National Category
Condensed Matter Physics
Research subject
Physics, Condensed Matter Physics
Identifiers
URN: urn:nbn:se:lnu:diva-120809DOI: 10.3389/fphy.2023.1171079ISI: 000979981400001Scopus ID: 2-s2.0-85159817824OAI: oai:DiVA.org:lnu-120809DiVA, id: diva2:1758004
Funder
Swedish Research Council, 2020-05110Available from: 2023-05-20 Created: 2023-05-20 Last updated: 2023-08-24Bibliographically approved

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Bessarab, Pavel F.

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