{
  "annotation_id": "95e2a205-f8ef-4225-810b-6d9bf575818c",
  "date_created": "2026-03-02T18:00:31.747000Z",
  "date_modified": "2026-03-02T18:00:31.747000Z",
  "file_hash": "e776e55536802de1569dec81bc4355194c62a83e98a378869ec688cf551dae7b",
  "private": false,
  "record": {
    "abstract": "A simple relativistic analysis is presented which shows that near-field\nsuperluminal longitudinal electric signals generated by an electric dipole\ncannot be used to violate Einstein causality by using the relativistic \"sync\nshift\" effect. The analysis shows that because a signal has some time extent\n(i.e. after a signal is initiated one must waitat least one period for the\nfrequency and amplitude information to be determined), an electric dipole can\nbe used to transmit a signal backward in time, but not before the same signal\nwas initiated, thereby prohibiting a user from changing the signal that was\ntransmitted. The result is also shown to apply to the superluminal near-field\ngravitational fields generated by an oscillating mass.",
    "arxiv_id": "physics/0009076",
    "authors": [
      "William D. Walker"
    ],
    "categories": [
      "physics.gen-ph",
      "physics.class-ph"
    ],
    "title": "Analysis of Causality Issue in Near-field Superluminally Propagating   Electromagnetic and Gravitational Fields",
    "url": "https://arxiv.org/abs/physics/0009076"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "ac28495b-906b-465e-9956-755d89132cc4",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}