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Laser-induced metastable (anti-)skyrmion states with higher-order topological charge

  • Tim Titze
  • Marcel Möller
  • Timo Schmidt
  • Mariam Hassan
  • Sabri Koraltan
  • Stefan Mathias
  • Manfred Albrecht
  • Claus Ropers
  • Daniel Steil
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Abstract

Ultrafast creation and manipulation of topologically non-trivial spin objects promises significant potential for spintronic applications. Here, we demonstrate laser-induced nucleation of skyrmions and antiskyrmions with topological charge up to |Q|=3 from the saturated magnetization state of a Co/Ni-multilayer which does not intrinsically host a skyrmionic ground state. The resulting configuration of spin objects thus constitutes a metastable, thermodynamically hidden magnetic state. We control the number and type of spin objects by the excitation fluence and the external out-of-plane magnetic field.

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Cite

BibTeXRIS
BibTeX
@misc{titze2026laserinduced,
  title = {{Laser-induced metastable (anti-)skyrmion states with higher-order topological charge}},
  author = {Tim Titze and Marcel Möller and Timo Schmidt and Mariam Hassan and Sabri Koraltan and Stefan Mathias and Manfred Albrecht and Claus Ropers and Daniel Steil},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2609.13112},
  eprint = {2609.13112},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.13112},
}
RIS
TY  - UNPB
TI  - Laser-induced metastable (anti-)skyrmion states with higher-order topological charge
AU  - Tim Titze
AU  - Marcel Möller
AU  - Timo Schmidt
AU  - Mariam Hassan
AU  - Sabri Koraltan
AU  - Stefan Mathias
AU  - Manfred Albrecht
AU  - Claus Ropers
AU  - Daniel Steil
PY  - 2026
DA  - 2026/10/23
PB  - arXiv
DO  - 10.48550/arxiv.2609.13112
UR  - https://arxiv.org/abs/2609.13112
AB  - Ultrafast creation and manipulation of topologically non-trivial spin objects promises significant potential for spintronic applications. Here, we demonstrate laser-induced nucleation of skyrmions and antiskyrmions with topological charge up to |Q|=3 from the saturated magnetization state of a Co/Ni-multilayer which does not intrinsically host a skyrmionic ground state. The resulting configuration of spin objects thus constitutes a metastable, thermodynamically hidden magnetic state. We control the number and type of spin objects by the excitation fluence and the external out-of-plane magnetic field.
ER  -