{
  "annotation_id": "75524119-6f27-4b2c-a4dd-b5055c797ed8",
  "date_created": "2026-03-02T18:00:56.687000Z",
  "date_modified": "2026-03-02T18:00:56.687000Z",
  "file_hash": "7208af8ea7311469aa7466af648b0bc2af7ef95f039174d259dcac402cc48755",
  "private": false,
  "record": {
    "abstract": "It is proved that Special Relativity imposes constraints on the structure of\nfundamental forces. The orthogonality of the 4-force exerted on an elementary\nparticle and its 4-velocity is discussed. The significance of the\nenergy-momentum tensor associated with the field is analyzed. Relying on these\nissues, it is proved that the Lorentz force is consistent with all constraints\nwhereas a force derived from a scalar potential does not satisfy all\nrequirements. This analysis explains a general discussion of Goldstein, Poole\nand Safko.",
    "arxiv_id": "physics/0503020",
    "authors": [
      "E. Comay"
    ],
    "categories": [
      "physics.gen-ph"
    ],
    "title": "Relativistic Constraints on the Structure of Fundamental Forces",
    "url": "https://arxiv.org/abs/physics/0503020"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "e175d0af-1fa7-4155-b152-d3d83a7e7c4b",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}