{
  "abstract": "Current-driven magnetic-octupole domain walls in noncollinear antiferromagnets are promising for fast spintronic devices, yet their transient dynamics are not yet fully understood. Here, we investigate spin-orbit-torque-driven domain-wall motion in Mn$_\\text{3}$Sn using a multipole micromagnetic framework. The three symmetry-related 60° walls exhibit equivalent current-driven dynamics, unlike their field-driven motion. For a representative 60° wall, the post-pulse motion is governed by relaxation of the current-induced rotation of the surrounding octupole domains, with a characteristic time of approximately 33 ps quantitatively captured by a uniform-domain analytic model. By resolving spatially nonuniform texture dynamics beyond this analytic description, the simulations further reveal an additional slow relaxation in a composite 180° wall associated with the relative motion of its constituent walls. The post-pulse response also varies systematically with the exchange stiffness and magnetic anisotropies. These results identify distinct domain and internal-coordinate relaxation channels and establish the intrinsic time scales governing pulse-controlled positioning of magnetic-octupole domain walls in antiferromagnetic spintronic devices.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2610.42065",
  "author_total": 2,
  "authors": [
    {
      "name": "Myoung-Woo Yoo"
    },
    {
      "name": "Axel Hoffmann"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/bfk5gf3mjh68e.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2610.42065",
  "fulltext_url": null,
  "id": "bfk5gf3mjh68e",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2610.42065",
  "language": null,
  "licence": "CC-BY-4.0",
  "licence_label": "CC BY 4.0",
  "licence_source": "article",
  "licence_url": "http://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "cond-mat.mes-hall"
    ],
    [
      "arxiv",
      "cond-mat.mtrl-sci"
    ]
  ],
  "openalex": null,
  "pdf_url": "https://arxiv.org/pdf/2610.42065",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-30",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/bfk5gf3mjh68e.ris",
  "sources": [
    {
      "first_seen": "2026-11-02T12:21:15Z",
      "native_id": "2610.42065",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2610.42065"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:cond-mat.mes-hall",
      "subfield": "condensed-matter"
    }
  ],
  "title": "Current-driven transient dynamics of magnetic-octupole domain walls in noncollinear antiferromagnets",
  "title_text": "Current-driven transient dynamics of magnetic-octupole domain walls in noncollinear antiferromagnets",
  "type": "preprint",
  "updated_at": "2026-11-04T15:20:51Z",
  "url": "https://research.draconitic.com/paper/bfk5gf3mjh68e",
  "venue": "arXiv",
  "versions": []
}