{
  "annotation_id": "73316508-c817-4e08-84a2-015f51e7aced",
  "date_created": "2026-03-02T18:02:00.110000Z",
  "date_modified": "2026-03-02T18:02:00.110000Z",
  "file_hash": "3a9cb6c21fca838e0b9f5cc14c43cc4543e2220587d4c55442312ea1e06d53f3",
  "private": false,
  "record": {
    "abstract": "The energies of low-lying bound states of a microscopic quantum many-body\nsystem of particles can be worked out in a reduced Hilbert space. We present\nhere and test a specific non-perturbative truncation procedure. We also show\nthat real exceptional points which may be present in the spectrum can be\nidentified as fixed points of coupling constants in the truncation procedure.",
    "arxiv_id": "quant-ph/0307108",
    "authors": [
      "Tarek Khalil",
      "Jean Richert"
    ],
    "categories": [
      "quant-ph",
      "cond-mat.str-el",
      "nucl-th"
    ],
    "doi": "10.1088/0305-4470/37/17/014",
    "journal_ref": "J.Phys.A37:4851-4860,2004",
    "title": "Renormalisation and fixed points in Hilbert Space",
    "url": "https://arxiv.org/abs/quant-ph/0307108"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "7165d6dd-5d66-4f09-82f9-6875ce86de72",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}