{
  "annotation_id": "059d0549-6536-4648-a76a-5d36889c4244",
  "date_created": "2026-03-02T18:00:53.680000Z",
  "date_modified": "2026-03-02T18:00:53.680000Z",
  "file_hash": "03aa9b16fa141b06efe581ca68a4a5874b77e39808b4c3fb8eac2e0e01197473",
  "private": false,
  "record": {
    "abstract": "We use the Hopf mapping to construct a magnetic configuration consisting of\nclosed field lines, each of which is linked with all the other ones. We obtain\nin this way a solution of the equations of magnetohydrodynamics of an ideal\nincompressible fluid with infinite conductivity, which describes a localized\ntopological soliton.",
    "arxiv_id": "physics/0409093",
    "authors": [
      "A. M. Kamchatnov"
    ],
    "categories": [
      "physics.plasm-ph",
      "physics.class-ph"
    ],
    "journal_ref": "Sov. Phys. JETP, 55, No.1, 69--73 (1982)",
    "title": "Topological soliton in magnetohydrodynamics",
    "url": "https://arxiv.org/abs/physics/0409093"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "de304d78-9e82-4c6f-b0e2-a30405f38b5a",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}