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Skyrmion-induced bound states in a superconductor
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA. Los Alamos National Laboratory, United States; Stockholm University, Sweden.
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA. Condensed Matter Theory Laboratory, Japan.
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA. Los Alamos National Laboratory, United States.
2016 (English)In: PHYSICAL REVIEW B, ISSN 2469-9950, Vol. 94, no 6, 064513Article in journal (Refereed) Published
Abstract [en]

We consider a superconductor proximity coupled to a two-dimensional ferromagnetic film with a skyrmion texture. Using the T-matrix calculations and numerical modeling we calculate the spin-polarized local density of states in the superconductor in the vicinity of the skyrmion. We predict the skyrmion bound states that are induced in the superconductor, similar to the well-known Yu-Shiba-Rusinov states. The bound-state wave functions have spatial power-law decay. It is suggested that superconductivity could facilitate an effective long-range interaction between skyrmions when bound-state wave functions overlap.

Place, publisher, year, edition, pages
American Physical Society , 2016. Vol. 94, no 6, 064513
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-192733DOI: 10.1103/PhysRevB.94.064513ISI: 000381480300003Scopus ID: 2-s2.0-84985996093OAI: oai:DiVA.org:kth-192733DiVA: diva2:974471
Note

QC 20160926

Available from: 2016-09-26 Created: 2016-09-20 Last updated: 2016-09-26Bibliographically approved

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