{
  "annotation_id": "d23e040d-45ed-408c-bb75-099b362d9adb",
  "date_created": "2026-03-02T18:01:21.411000Z",
  "date_modified": "2026-03-02T18:01:21.411000Z",
  "file_hash": "f6f448f2074bc3d55aa23c87d500a18dc2cac66dc5b6c10dc207407f2d929fc4",
  "private": false,
  "record": {
    "abstract": "Bogolyubov-De Gennes equations for the excitations of a Bose condensate in\nthe Thomas-Fermi regime in harmonic traps of any asymmetry and introduce a\nclassification of eigenstates. In the case of cylindrical symmetry we emphasize\nthe presence of an accidental degeneracy in the excitation spectrum at certain\nvalues of the projection of orbital angular momentum on the symmetry axis and\ndiscuss possible consequences of the degeneracy in the context of new\nsignatures of Bose-Einstein condensation.",
    "arxiv_id": "physics/9705006",
    "authors": [
      "P. Ohberg",
      "E. L. Surkov",
      "I. Tittonen",
      "S. Stenholm",
      "M. Wilkens",
      "G. V. Shlyapnikov"
    ],
    "categories": [
      "physics.atom-ph"
    ],
    "doi": "10.1103/PhysRevA.56.R3346",
    "title": "Low-energy elementary excitations of a trapped Bose-condensed gas",
    "url": "https://arxiv.org/abs/physics/9705006"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "ab840636-0e1e-4690-9b81-54cfd73d84a8",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}