{
  "annotation_id": "3103c5ca-15d2-4c46-b3fe-c98679dab599",
  "date_created": "2026-03-02T18:00:50.318000Z",
  "date_modified": "2026-03-02T18:00:50.318000Z",
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  "record": {
    "abstract": "The genesis of the Post constraint is premised on two attributes of modern\nelectromagnetism: (i) its microscopic nature, and (ii) the status of e and b as\nthe primitive electromagnetic fields. This constraint can therefore not arise\nin EH--electromagnetism, wherein the primitive electromagnetic fields are the\nmacroscopic fields E and H.",
    "arxiv_id": "physics/0403042",
    "authors": [
      "Akhlesh Lakhtakia"
    ],
    "categories": [
      "physics.class-ph"
    ],
    "doi": "10.1016/S0030-4026(08)70002-0",
    "journal_ref": "Optik, Vol. 115, pp. 151-158 (2004)",
    "title": "On the genesis of Post constraint in modern electromagnetism",
    "url": "https://arxiv.org/abs/physics/0403042"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "cd91da07-c2e9-4afb-a69c-f3a2ef2e2120",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}