{
  "annotation_id": "8d63bce0-152f-46b8-aff1-765b2765d444",
  "date_created": "2026-03-02T18:01:17.957000Z",
  "date_modified": "2026-03-02T18:01:17.957000Z",
  "file_hash": "b15e59f1c1fa7ada60b2c388e87e46b2a81373bf43a58962c65ee081b62db4fc",
  "private": false,
  "record": {
    "abstract": "In recent experiments of laser pulse interaction at relativistic intensities\nwith a low density plasma, the proton radiography technique showed evidence of\nlong--lived field structures generated after the self-channeling of the laser\npulse. We present 2D particle-in-cell simulations of this interaction regime,\nwhere the dynamics of similar structures has been resolved with high temporal\nand spatial resolution. An axially symmetrical field pattern, resembling both\nsoliton-like and vortex structures, has been observed. A study of the physics\nof such structures and a comparison with experimental data is in progress.",
    "arxiv_id": "physics/0702177",
    "authors": [
      "T. V. Liseykina",
      "F. Ceccherini",
      "F. Cornolti",
      "E. Yu. Echkina",
      "A. Macchi",
      "F. Pegoraro",
      "M. Borghesi",
      "S. Kar",
      "L. Romagnani",
      "S. V. Bulanov",
      "O. Willi",
      "M. Galimberti"
    ],
    "categories": [
      "physics.plasm-ph"
    ],
    "doi": "10.1142/9789812778901_0006",
    "title": "Generation and Observation of Coherent, Long--Lived Structures in a   Laser--Plasma Channel",
    "url": "https://arxiv.org/abs/physics/0702177"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "402cf99b-5e3c-4af7-8035-cee51a6eb2fa",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}