{
  "annotation_id": "d70d1807-a9c9-414a-a8e6-11755ce4f054",
  "date_created": "2026-03-02T18:02:03.600000Z",
  "date_modified": "2026-03-02T18:02:03.600000Z",
  "file_hash": "95cd6a62700543d7d81b426519ca2f76544f271fbc3e4ec4e7da3551b332a272",
  "private": false,
  "record": {
    "abstract": "We apply a time-dependent perturbation theory based on unitary\ntransformations combined with averaging techniques, on molecular orientation\ndynamics by ultrashort pulses. We test the validity and the accuracy of this\napproach on LiCl described within a rigid-rotor model and find that it is more\naccurate than other approximations. Furthermore, it is shown that a noticeable\norientation can be achieved for experimentally standard short laser pulses of\nzero time average. In this case, we determine the dynamically relevant\nparameters by using the perturbative propagator, that is derived from this\nscheme, and we investigate the temperature effects on the molecular orientation\ndynamics.",
    "arxiv_id": "quant-ph/0401030",
    "authors": [
      "D. Sugny",
      "A. Keller",
      "O. Atabek",
      "D. Daems",
      "S. Gu\u00e9rin",
      "H. R. Jauslin"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.69.043407",
    "journal_ref": "Phys. Rev. A 69, 043407 (2004)",
    "title": "Time-dependent unitary perturbation theory for intense laser driven   molecular orientation",
    "url": "https://arxiv.org/abs/quant-ph/0401030"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "bc9db334-70b6-46be-ba25-ea0adaabec75",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}