{
  "annotation_id": "77e175c7-1e18-4ceb-bd65-54a0f06b7355",
  "date_created": "2026-03-02T18:01:42.412000Z",
  "date_modified": "2026-03-02T18:01:42.412000Z",
  "file_hash": "171b7cae3eaa16be983c5a5daf9096838c71fcd68f4a02591ce0e7f1193c4970",
  "private": false,
  "record": {
    "abstract": "We report that entangled pairs of quantum clocks (non-degenerate quantum\nbits) can be used as a specialized detector for precisely measuring difference\nof proper-times that each constituent quantum clock experiences. We describe\nwhy the proposed scheme would be more precise in the measurement of proper-time\ndifference than a scheme of two-separate-quantum-clocks. We consider\npossibilities that the proposed scheme can be used in precision test of the\nrelativity theory.",
    "arxiv_id": "quant-ph/0012003",
    "authors": [
      "W. Y. Hwang",
      "D. Ahn",
      "S. W. Hwang",
      "Y. D. Han"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1140/epjd/e20020065",
    "journal_ref": "European Physical Journal D 19, 129 (2002)",
    "title": "Entangled Quantum Clocks for Measuring Proper-Time Difference",
    "url": "https://arxiv.org/abs/quant-ph/0012003"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "d22a93c6-d598-411f-8803-6098443b9038",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}