{
  "annotation_id": "4b988191-f7f1-416a-8b82-6093ba37c36e",
  "date_created": "2026-03-02T18:01:25.151000Z",
  "date_modified": "2026-03-02T18:01:25.151000Z",
  "file_hash": "7aa2ff15724f99b290aa991912d9455704b633c809c5fe428e69b9e31b2bfe97",
  "private": false,
  "record": {
    "abstract": "When an electric charge is supported at rest in a static gravitational field,\nits electric field is not supported with the charge, and it falls freely in the\ngravitational field. Drawing the electric field lines continuously in time, we\nfind that they always emerge from the charge, but the electric field is curved\nand there is a stress force between the freely falling (curved) field and the\nstatic charge. The charge radiates and the work done by the gravitational field\nto overcome the stress force is the source for the energy radiated by the\nsupported (static) charge. {\\it A static charge in a gravitational field\nradiates, as predicted by the principle of equivalence}. This mechanism is\nsimilar to the one applied to an electric charge accelerated in a free space.\nIn this case, the electric field is not accelerated with the charge. The\nelectric field is curved, and there is a stress force between the charge and\nits field. The work done in overcoming the stress force is the source of the\nenergy radiated by the accelerated charge.",
    "arxiv_id": "physics/9910019",
    "authors": [
      "Amos Harpaz",
      "Noam Soker"
    ],
    "categories": [
      "physics.class-ph",
      "gr-qc"
    ],
    "doi": "10.1023/B:GERG.0000010478.00884.f8",
    "journal_ref": "Gen.Rel.Grav. 36 (2004) 315-330",
    "title": "Radiation from a Charge in a Gravitational Field",
    "url": "https://arxiv.org/abs/physics/9910019"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "6a0e61fb-4f64-4854-9486-001f2c5705c5",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}