{
  "annotation_id": "e05070e1-98aa-44be-b377-5e4039b8ac15",
  "date_created": "2026-03-02T18:02:23.066000Z",
  "date_modified": "2026-03-02T18:02:23.066000Z",
  "file_hash": "f28c08d78b9f2691efd97ead6868452fbdf115d7e814fdecfbe482c37024e0b4",
  "private": false,
  "record": {
    "abstract": "This paper is an extension of Fujii et al (quant--ph/0307066) and in this one\nwe again treat a model of atom with n energy levels interacting with n(n-1)/2\nexternal laser fields, which is a natural extension of usual two level system.\nThen the rotating wave approximation (RWA) is assumed from the beginning.\n  To solve the Schr{\\\" o}dinger equation we set the {\\bf consistency condition}\nin our terminology and reduce it to a matrix equation with symmetric matrix $Q$\nconsisting of coupling constants.\n  However, to calculate $\\exp(-itQ)$ {\\bfexplicitly} is not easy. In the case\nof three and four level systems we determine it in a complete manner, so our\nmodel in these levels becomes realistic.\n  In last, we make a comment on Cavity QED quantum computation based on three\nenergy levels of atoms as a forthcoming target.",
    "arxiv_id": "quant-ph/0512126",
    "authors": [
      "Kazuyuki Fujii"
    ],
    "categories": [
      "quant-ph",
      "math-ph",
      "math.MP"
    ],
    "journal_ref": "Contemporary Mathematics and Its Applications (in Russian),\n  44(2007), 3-15",
    "title": "Study on Dynamics of N Level System of Atom by Laser Fields",
    "url": "https://arxiv.org/abs/quant-ph/0512126"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "50575d82-e971-499d-94a7-d495615ec30e",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}