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Skyrmion-induced bound states in a superconductor
Stockholm University, Nordic Institute for Theoretical Physics (Nordita). Los Alamos National Laboratory, USA.
Stockholm University, Nordic Institute for Theoretical Physics (Nordita). Condensed Matter Theory Laboratory, Japan.
Stockholm University, Nordic Institute for Theoretical Physics (Nordita). Los Alamos National Laboratory, USA.
Number of Authors: 3
2016 (English)In: Physical Review B, ISSN 2469-9950, E-ISSN 2469-9969, 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
2016. Vol. 94, no 6, 064513
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-134421DOI: 10.1103/PhysRevB.94.064513ISI: 000381480300003OAI: oai:DiVA.org:su-134421DiVA: diva2:1037238
Available from: 2016-10-14 Created: 2016-10-06 Last updated: 2017-11-29Bibliographically approved

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