{
  "annotation_id": "51f0cd6c-9fc9-466c-8b0c-a2d0d93fa054",
  "date_created": "2026-03-02T18:01:46.080000Z",
  "date_modified": "2026-03-02T18:01:46.080000Z",
  "file_hash": "7c32d928bef23fd71872b27e5c72b4c34120a72bc2eba1a3605651798836ca50",
  "private": false,
  "record": {
    "abstract": "Any charged particle moving faster than light through a medium emits\nCherenkov radiation. We show that charged particles moving faster than light\nthrough the v a c u u m emit Cherenkov radiation. How can a particle move\nfaster than light? The w e a k speed of a charged particle can exceed the speed\nof light. By definition, the weak velocity is \u003cb|v|a\u003e/\u003cb|a\u003e where v is the\nvelocity operator and |a\u003e and |b\u003e are, respectively, the states of a particle\nbefore and after a velocity measurement. We discuss the consistency of weak\nvalues and show that superluminal weak speed is consistent with relativistic\ncausality.",
    "arxiv_id": "quant-ph/0107025",
    "authors": [
      "Daniel Rohrlich",
      "Yakir Aharonov"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.66.042102",
    "title": "Cherenkov radiation and superluminal particles",
    "url": "https://arxiv.org/abs/quant-ph/0107025"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "d51b3411-a338-44b7-973e-7fff340e3d95",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}