{
  "annotation_id": "c20efe7d-6a37-4407-8aa6-dcae858ab4db",
  "date_created": "2026-03-02T18:00:56.862000Z",
  "date_modified": "2026-03-02T18:00:56.862000Z",
  "file_hash": "5b9a8f97d8eb01794d4c52643b696ca5d10677604a5448a3a86da9fd0c30b7a6",
  "private": false,
  "record": {
    "abstract": "We report the first results of ab initio relativistic correlation calculation\nof the effective electric field on the electron, E_eff, in the ground state of\nthe HI$^+$ cation. This value is required for interpretation of the suggested\nexperiment on search for the electron electric dipole moment. The generalized\nrelativistic effective core potential, Fock-space relativistic coupled cluster\nwith single and double cluster amplitudes and spin-orbit direct configuration\ninteraction methods are used, followed by nonvariational one-center restoration\nof the four-component wavefunction in the iodine core. The calculated value of\nE_eff by the coupled cluster method is E_eff=0.345\\times 10^{24}Hz/e*cm.\nConfiguration interaction study gives E_eff=0.336\\times 10^{24}Hz/e*cm (our\nfinal value). The structure of chemical bonding and contributions to E_eff in\nHI$^+$ is clarified and significant deviation of our value from that obtained\nin Ravaine etal Phys.Rev.Lett., 94, 013001 (2005) is explained.",
    "arxiv_id": "physics/0412177",
    "authors": [
      "T. A. Isaev",
      "N. S. Mosyagin",
      "A. N. Petrov",
      "A. V. Titov"
    ],
    "categories": [
      "physics.atom-ph",
      "physics.chem-ph"
    ],
    "doi": "10.1103/PhysRevLett.95.163004",
    "title": "In search of the electron electric dipole moment: relativistic   correlation calculations of the P,T-violation effect in the ground state of   HI$^+$",
    "url": "https://arxiv.org/abs/physics/0412177"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "d37d2bd5-1d29-44be-9caa-88484210f04e",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}