{
  "annotation_id": "c6a99481-df21-4180-89fc-7431c294e465",
  "date_created": "2026-03-02T18:02:03.469000Z",
  "date_modified": "2026-03-02T18:02:03.469000Z",
  "file_hash": "9ab0bfdb8eafce2ef44d76af4fac0d6d595b9c8506f8677529fa779c779e7906",
  "private": false,
  "record": {
    "abstract": "Employing the concept of time-delay, a relation is found which counts the\nnumber of quantal resonances supported by a potential. Several simple and\nadvanced illustrations include a treatment of square-well, Dirac delta barrier,\nan interesting physical situation from neutron reflectometry, and the Delta\nresonance appearing in the scattering of \\pi meson from proton.",
    "arxiv_id": "quant-ph/0309206",
    "authors": [
      "Zafar Ahmed",
      "Sudhir R. Jain"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1088/0305-4470/37/3/022",
    "title": "Number of quantal resonances",
    "url": "https://arxiv.org/abs/quant-ph/0309206"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "74c0f5b2-9a79-4d51-af12-e0e233c23a42",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}