{
  "annotation_id": "75b41c9f-123e-4053-8ec3-78e135f39a1c",
  "date_created": "2026-03-02T18:02:41.650000Z",
  "date_modified": "2026-03-02T18:02:41.650000Z",
  "file_hash": "d77d8401e017a4f2346fb72b49f1cda1ef186c7207f7c1e9d4836c773d1cf598",
  "private": false,
  "record": {
    "abstract": "A method to study weakly bound three-body quantum systems in two dimensions\nis formulated in coordinate space for short-range potentials. Occurrences of\nspatially extended structures (halos) are investigated. Borromean systems are\nshown to exist in two dimensions for a certain class of potentials. An\nextensive numerical investigation shows that a weakly bound two-body state\ngives rise to two weakly bound three-body states, a reminiscence of the Efimov\neffect in three dimensions. The properties of these two states in the weak\nbinding limit turn out to be universal.\n  PACS number(s): 03.65.Ge, 21.45.+v, 31.15.Ja, 02.60Nm",
    "arxiv_id": "quant-ph/9708025",
    "authors": [
      "E. Nielsen",
      "D. V. Fedorov",
      "A. S. Jensen"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.56.3287",
    "journal_ref": "Phys.Rev. A56 (1997) 3287",
    "title": "Three-Body Halos in Two Dimensions",
    "url": "https://arxiv.org/abs/quant-ph/9708025"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "66d36ac2-a7dc-4f1c-b8d9-244f97fef4b0",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}