{
  "annotation_id": "df2cc871-44e9-4d52-9543-82116f6902fb",
  "date_created": "2026-03-02T18:01:03.665000Z",
  "date_modified": "2026-03-02T18:01:03.665000Z",
  "file_hash": "579d9f20ca2539678b41063c05009cfb1b822aee7bdc38e26ba133e2e8fb34b8",
  "private": false,
  "record": {
    "abstract": "We compute numerically the threshold for dynamo action in Taylor-Green\nswirling flows. Kinematic calculations, for which the flow field is fixed to\nits time averaged profile, are compared to dynamical runs for which both the\nNavier-Stokes and the induction equations are jointly solved. The kinematic\ninstability is found to have two branches, for all explored Reynolds numbers.\nThe dynamical dynamo threshold follows these branches: at low Reynolds number\nit lies within the low branch while at high kinetic Reynolds number it is close\nto the high branch.",
    "arxiv_id": "physics/0601105",
    "authors": [
      "Yannick Ponty",
      "Pablo Mininni",
      "Jean-Fran\u00e7ois Pinton",
      "H\u00e9l\u00e8ne Politano",
      "Annick Pouquet"
    ],
    "categories": [
      "physics.flu-dyn"
    ],
    "doi": "10.1088/1367-2630/9/8/296",
    "title": "Dynamo action at low magnetic Prandtl numbers: mean flow vs. fully   turbulent motion",
    "url": "https://arxiv.org/abs/physics/0601105"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "bad10049-720e-4791-8d5a-5469aa45b283",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}