{
  "annotation_id": "0440989f-cb5d-4b76-ba10-831961c2ba62",
  "date_created": "2026-03-02T18:02:48.608000Z",
  "date_modified": "2026-03-02T18:02:48.608000Z",
  "file_hash": "c2ad5fd0e22eaabcc4b950084a7bf9969e8901815ae3eb533726a40e72e1a2df",
  "private": false,
  "record": {
    "abstract": "The basic concepts of classical mechanics are given in the operator form.\nThen, the hybrid systems approach, with the operator formulation of both\nquantum and classical sector, is applied to the case of an ideal nonselective\nmeasurement. It is found that the dynamical equation, consisting of the\nSchr\\\"odinger and Liouville dynamics, produces noncausal evolution when the\ninitial state of measured system and measuring apparatus is chosen to be as it\nis demanded in discussions regarding the problem of measurement. Nonuniqueness\nof possible realizations of transition from pure noncorrelated to mixed\ncorrelated state is analyzed in details. It is concluded that collapse of state\nis the only possible way of evolution of physical systems in this case.",
    "arxiv_id": "quant-ph/9910020",
    "authors": [
      "S. Prvanovic",
      "Z. Maric",
      "Belgrade",
      "Serbia"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "Toward the Collapse of State",
    "url": "https://arxiv.org/abs/quant-ph/9910020"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "10a497ea-463e-4e2c-9cbc-08e931c80c23",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}