{
  "annotation_id": "455dba8a-3471-4680-a941-702cb3dd2e61",
  "date_created": "2026-03-02T18:02:03.630000Z",
  "date_modified": "2026-03-02T18:02:03.630000Z",
  "file_hash": "18bb532607f7640396762d9ee848da8baba0a182fb06303c8a3fc74f69ed4790",
  "private": false,
  "record": {
    "abstract": "We investigate the quantum-mechanical interpretation of models with\nnon-Hermitian Hamiltonians and real spectra. After describing a general\nframework to reformulate such models in terms of Hermitian Hamiltonians defined\non the Hilbert space $L_2(-\\infty,\\infty)$, we discuss the significance of the\nalgebra of physical observables.",
    "arxiv_id": "quant-ph/0309118",
    "authors": [
      "R. Kretschmer",
      "L. Szymanowski"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1023/B:CJOP.0000014370.87951.43",
    "journal_ref": "Czech. J. Phys. 54 (2004) 71",
    "title": "The Hilbert-Space Structure of Non-Hermitian Theories with Real Spectra",
    "url": "https://arxiv.org/abs/quant-ph/0309118"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "2289f04e-5889-4eb1-b1f9-3689de1478c4",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}