{
  "annotation_id": "0e33b5bf-05e7-4a44-8975-f320cdd7b328",
  "date_created": "2026-03-02T18:02:16.480000Z",
  "date_modified": "2026-03-02T18:02:16.480000Z",
  "file_hash": "b416e0ffdfe39bcd2742c5c0c7345aa8e6203ebbd41f0ae6f014870393b15896",
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  "record": {
    "abstract": "We report the realisation and preliminary study of a frequency standard using\na fountain of laser cooled caesium atoms. Our apparatus uses a magneto-optical\ntrap as a source of cold atoms and optical pumping to prepare the atoms in the\ncorrect state before they enter the microwave cavity.",
    "arxiv_id": "quant-ph/0505198",
    "authors": [
      "A. Michaud",
      "M. Chowdhury",
      "K. P. Zetie",
      "C. J. Cooper",
      "G. Hillenbrand",
      "V. Lorent",
      "A. Steane",
      "C. J. Foot"
    ],
    "categories": [
      "quant-ph"
    ],
    "journal_ref": "Proceedings of the 7th European Frequency and Time Forum,\n  Neuchatel, Switzerland, 16-18 March 1993, pp. 525-530",
    "title": "Realisation of a Frequency Standard Using an Atomic Fountain",
    "url": "https://arxiv.org/abs/quant-ph/0505198"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "def46842-b8e0-4386-bb39-766b2ce2553c",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}