{
  "annotation_id": "03f08874-846d-44f4-a0d9-10e27c8dfd9e",
  "date_created": "2026-03-02T18:00:32.801000Z",
  "date_modified": "2026-03-02T18:00:32.801000Z",
  "file_hash": "535b547da1629c55dc2efc1d99d96525a2e36757b205029afe708d1d258893e9",
  "private": false,
  "record": {
    "abstract": "We use an all-optical trap to confine a strongly attractive two-state mixture\nof lithium fermions. By measuring the rate of evaporation from the trap, we\ndetermine the effective elastic scattering cross section (4 PI a^2) to show\nthat the magnitude of the scattering length |a| is very large, in agreement\nwith predictions. We show that the mixture is stable against inelastic decay\nprovided that a small bias magnetic field is applied. For this system, the\ns-wave interaction is widely tunable at low magnetic field, and can be turned\non and off rapidly via a Raman PI pulse. Hence, this mixture is well suited for\nfundamental studies of an interacting Fermi gas.",
    "arxiv_id": "physics/0009026",
    "authors": [
      "K. M. O\u0027Hara",
      "M. E. Gehm",
      "S. R. Granade",
      "S. Bali",
      "J. E. Thomas"
    ],
    "categories": [
      "physics.atom-ph"
    ],
    "doi": "10.1103/PhysRevLett.85.2092",
    "journal_ref": "Phys. Rev. Lett. 85, 2092 (2000)",
    "title": "Stable, Strongly Attractive, Two-State Mixture of Lithium Fermions in an   Optical Trap",
    "url": "https://arxiv.org/abs/physics/0009026"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "4c50dafc-f118-47c9-b7c6-5ec99c41cb44",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}