{
  "annotation_id": "1433cedc-ff4d-41d6-9f0a-b89ad7813b0e",
  "date_created": "2026-03-02T18:02:24.062000Z",
  "date_modified": "2026-03-02T18:02:24.062000Z",
  "file_hash": "df74ab6255ee61676c45245220fae267571c2c48f7d3b6bbe12857a1711d6d0c",
  "private": false,
  "record": {
    "abstract": "A stochastic model for the continuous nondemolition ohservation of the\nposition of a quantum particle in a potential field and a boson reservoir is\ngiven. lt is shown that any Gaussian wave function evolving according to the\nposterior wave equation with a quadratic potential collapses to a Gaussian wave\npacket given by the stationary solution of this equation.",
    "arxiv_id": "quant-ph/0512137",
    "authors": [
      "V. P. Belavkin",
      "P. Staszewski"
    ],
    "categories": [
      "quant-ph"
    ],
    "journal_ref": "Physics Letters A, 140 (1989) No 7,8, pp 359 --362",
    "title": "A Quantum Particle Undergoing Continuous Observation",
    "url": "https://arxiv.org/abs/quant-ph/0512137"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "2ae83f76-9ab4-4a14-a80c-487d387652a6",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}