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Skyrmions induced by dissipationless drag in U(1)xU(1) superconductors
Stockholm University, Nordic Institute for Theoretical Physics (Nordita).
2014 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 89, no 10, 104508- p.Article in journal (Refereed) Published
Abstract [en]

Rather generically, multicomponent superconductors and superfluids have intercomponent current-current interaction. We show that in superconductors with substantially strong intercomponent drag interaction, the topological defects which form in an external field are characterized by a skyrmionic topological charge. We then demonstrate that they can be distinguished from ordinary vortex matter by a very characteristic magnetization process due to the dipolar nature of inter-skyrmion forces. The results provide an experimental signature to confirm or rule out the formation p-wave state with reduced spin stiffness in p-wave superconductors.

Place, publisher, year, edition, pages
2014. Vol. 89, no 10, 104508- p.
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Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-102277DOI: 10.1103/PhysRevB.89.104508ISI: 000332459900006OAI: oai:DiVA.org:su-102277DiVA: diva2:710173
Note

AuthorCount:4;

Available from: 2014-04-04 Created: 2014-03-31 Last updated: 2017-12-05Bibliographically approved

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