{
  "annotation_id": "22972d08-26b2-43b6-8a98-3a8e52671313",
  "date_created": "2026-03-02T18:01:31.154000Z",
  "date_modified": "2026-03-02T18:01:31.154000Z",
  "file_hash": "12f630b8a2ffeff8fec446cbceac6e763d46b3370fd04a4ba1ed828babcb354a",
  "private": false,
  "record": {
    "abstract": "We study theoretically the effects of confinement on active polar gels such\nas the actin network of eukaryotic cells. Using generalized hydrodynamics\nequations derived for active gels, we predict, in the case of quasi\none-dimensional geometry, a spontaneous flow transition from a homogeneously\npolarized immobile state for small thicknesses, to a perturbed flowing state\nfor larger thicknesses. The transition is not driven by an external field but\nby the activity of the system. We suggest several possible experimental\nrealizations.",
    "arxiv_id": "q-bio/0503022",
    "authors": [
      "R. Voituriez",
      "J-F Joanny",
      "J. Prost"
    ],
    "categories": [
      "q-bio.SC",
      "cond-mat.soft",
      "q-bio.QM"
    ],
    "doi": "10.1209/epl/i2004-10501-2",
    "title": "Spontaneous flow transition in active polar gels",
    "url": "https://arxiv.org/abs/q-bio/0503022"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "1cda8ba1-6e16-494d-938f-b9d9b3d48b8f",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}