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Issue 1, 2026
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2025

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November

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60th anniversary of the L.D. Landau Institute for Theoretical Physics RAS. Reviews of topical problems


Effect of Pearl vortices on shape and position of Néel-type skyrmions in superconductor—chiral ferromagnet heterostructures

 a, b, †  c, ‡  a
a Landau Institute for Theoretical Physics, Russian Academy of Sciences, prosp. Akademika Semenova 1A, Chernogolovka, Moscow Region, 142432, Russian Federation
b HSE University, ul. Myasnitskaya 20, Moscow, 101000, Russian Federation
c Dahlem Center for Complex Quantum Systems, Department of Physics, Freie Universität Berlin, Arnimallee 14, Berlin, 14195, Germany

This review presents recent work carried out at the Landau Institute for Theoretical Physics of the Russian Academy of Sciences on the study of the effect of superconducting vortices on the shape and position of Néel-type skyrmions in superconductor—chiral ferromagnet heterostructures. Based on analytical and numerical approaches, a number of effects caused by the inhomogeneous magnetic field of the vortex have been predicted: a significant increase in the skyrmion radius, a change in its chi„rality in the case of a coaxial configuration of the vortex and skyrmion, and modification of the skyrmion shape in the case of an eccentric configuration. Recent experiments studying these effects are discussed.

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Fulltext is also available at DOI: 10.3367/UFNe.2025.05.039936
Keywords: superconductors, chiral ferromagnets, vortices, skyrmions
PACS: 12.39.Dc, 74.78.Fk, 75.70.−i (all)
DOI: 10.3367/UFNe.2025.05.039936
URL: https://ufn.ru/en/articles/2025/11/d/
Citation: Apostoloff S S, Andriyakhina E S, Burmistrov I S "Effect of Pearl vortices on shape and position of Néel-type skyrmions in superconductor—chiral ferromagnet heterostructures" Phys. Usp. 68 1092–1111 (2025)
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Received: 7th, March 2025, revised: 29th, April 2025, 28th, May 2025

Оригинал: Апостолов С С, Андрияхина Е С, Бурмистров И С «Влияние вихрей Пирла на форму и положение скирмионов типа Нееля в гетероструктурах сверхпроводник—киральный ферромагнетик» УФН 195 1157–1178 (2025); DOI: 10.3367/UFNr.2025.05.039936

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