{
  "annotation_id": "48544473-80db-4ea8-af60-16a48215190b",
  "date_created": "2026-03-02T18:01:42.652000Z",
  "date_modified": "2026-03-02T18:01:42.652000Z",
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  "private": false,
  "record": {
    "abstract": "We complexify one of the Natanzon\u0027s exactly solvable potentials in PT\nsymmetric manner and discover that it supports the pairs of bound states with\nthe same number of nodal zeros. This could indicate that the Sturm Liouville\noscillation theorem does not admit an immediate generalization.",
    "arxiv_id": "quant-ph/0104059",
    "authors": [
      "Miloslav Znojil",
      "Geza Levai",
      "Pinaki Roy",
      "Rajkumar Roychoudhury"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1016/S0375-9601(01)00676-4",
    "journal_ref": "Physics Letters A 290 (2001) 249 - 254",
    "title": "Anomalous doublets of states in a PT symmetric quantum model",
    "url": "https://arxiv.org/abs/quant-ph/0104059"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "c381c6fa-f362-47a5-aba4-bcac774f5311",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}