{
  "annotation_id": "f199859b-27c8-4b35-bec4-34f081ac6bed",
  "date_created": "2026-03-02T18:01:41.782000Z",
  "date_modified": "2026-03-02T18:01:41.782000Z",
  "file_hash": "6dd2334427e859d6374136d8b59c39571214174782eded5b3004ab2a49a4c030",
  "private": false,
  "record": {
    "abstract": "The mechanism of avoided level crossings in quantum systems is studied. It is\ntraced back to the existence of branch points in the complex plane which\ninfluence the properties of resonance states as well as of discrete states. An\navoided level crossing of two states causes not only an exchange of the two\nwave functions but, above all, correlations between them. The correlations play\nan important role at high level density since they cause the loss of\ninformation on the individual properties of the states.",
    "arxiv_id": "quant-ph/0011008",
    "authors": [
      "I. Rotter"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "Branch points in the complex plane and information loss in quantum   systems at high level density",
    "url": "https://arxiv.org/abs/quant-ph/0011008"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "f9bae542-c5af-4e5c-b8ae-e229808eaa62",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}