Journal Article

FZJ-2023-02868

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Tailed skyrmions—An obscure branch of magnetic solitons

Kuchkin, V. (Corresponding author)FZJ* ; Kiselev, N. (Corresponding author)FZJ* ; Rybakov, F. N. ; Bessarab, P. F. (Corresponding author)

2023
Frontiers Media Lausanne

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Please use a persistent id in citations: doi:10.3389/fphy.2023.1171079  doi:10.34734/FZJ-2023-02868

Abstract: We report tailed skyrmions—a new class of stable soliton solutions of the 2D chiralmagnet model. Tailed skyrmions have elongated shapes and emerge in a narrowrange 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 fieldand magnetocrystalline anisotropy. We calculate minimum energy paths andhomotopies (continuous transitions) between tailed skyrmions of the sametopological charge. The discovery of tailed skyrmions extends the diversity ofalready known solutions. This is illustrated by solitons with complex morphology,such as tailed skyrmion bags with and without chiral kinks.

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Contributing Institute(s):

1. Quanten-Theorie der Materialien (PGI-1)
2. Quanten-Theorie der Materialien (IAS-1)
3. JARA - HPC (JARA-HPC)
4. JARA-FIT (JARA-FIT)

Research Program(s):

1. 5211 - Topological Matter (POF4-521) (POF4-521)
2. 3D MAGiC - Three-dimensional magnetization textures: Discovery and control on the nanoscale (856538) (856538)

Appears in the scientific report 2023

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