{
  "annotation_id": "cb1c11ce-3faf-4412-8f3b-0f8f9a571221",
  "date_created": "2026-03-02T18:02:37.289000Z",
  "date_modified": "2026-03-02T18:02:37.289000Z",
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  "record": {
    "abstract": "The Feynman parametrization of the Dirac equation is considered in order to\nobtain an indefinite mass formulation of relativistic quantum mechanics. It is\nshown that the parameter that labels the evolution is related to the proper\ntime. The Stueckelberg interpretation of antiparticles naturally arises from\nthe formalism.",
    "arxiv_id": "quant-ph/9502015",
    "authors": [
      "Juan P. Aparicio",
      "Fabian H. Gaioli",
      "Edgardo T. Garcia Alvarez"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1016/0375-9601(95)00193-7",
    "journal_ref": "Phys.Lett.A200:233-238,1995",
    "title": "Interpretation of the evolution parameter of the Feynman parametrization   of the Dirac equation",
    "url": "https://arxiv.org/abs/quant-ph/9502015"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "e24d433e-5cde-4ee3-9043-35ff705f61f2",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}