{
  "annotation_id": "e48f3049-8846-45ac-8f66-23622f30495a",
  "date_created": "2026-03-02T18:00:57.004000Z",
  "date_modified": "2026-03-02T18:00:57.004000Z",
  "file_hash": "07896680e4d93ff4d5f173820a5d0c30b0afb624e1a4554b9060ea586c105785",
  "private": false,
  "record": {
    "abstract": "We study the trap depth requirement for the realization of an optical clock\nusing atoms confined in a lattice. We show that site-to-site tunnelling leads\nto a residual sensitivity to the atom dynamics hence requiring large depths (50\nto $100 E\\_r$ for Sr) to avoid any frequency shift or line broadening of the\natomic transition at the $10^{-17}-10^{-18}$ level. Such large depths and the\ncorresponding laser power may, however, lead to difficulties (e.g. higher order\nlight shifts, two-photon ionization, technical difficulties) and therefore one\nwould like to operate the clock in much shallower traps. To circumvent this\nproblem we propose the use of an accelerated lattice. Acceleration lifts the\ndegeneracy between adjacents potential wells which strongly inhibits\ntunnelling. We show that using the Earth\u0027s gravity, much shallower traps (down\nto $5 E\\_r$ for Sr) can be used for the same accuracy goal.",
    "arxiv_id": "physics/0504080",
    "authors": [
      "Pierre Lemonde",
      "Peter Wolf"
    ],
    "categories": [
      "physics.atom-ph"
    ],
    "title": "An optical clock with neutral atoms confined in a shallow trap",
    "url": "https://arxiv.org/abs/physics/0504080"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "6a37eefe-b9f2-4d81-8457-12f2612fe140",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}