{
  "annotation_id": "a985d97c-a94b-4a51-ae7c-b9e8cb915db3",
  "date_created": "2026-03-02T18:02:17.287000Z",
  "date_modified": "2026-03-02T18:02:17.287000Z",
  "file_hash": "d1fde126a2f7ce4e510077e455581cc2e71de2decf175bfecb49a2d2dd7e3ecc",
  "private": false,
  "record": {
    "abstract": "We investigate the effects of fuzzy measurements on spin entanglement for\nidentical particles, both fermions and bosons. We first consider an ideal\nmeasurement apparatus and define operators that detect the symmetry of the\nspatial and spin part of the density matrix as a function of particle distance.\nThen, moving on to realistic devices that can only detect the position of the\nparticle to within a certain spread, it was surprisingly found that the\nentanglement between particles increases with the broadening of detection.",
    "arxiv_id": "quant-ph/0505029",
    "authors": [
      "D. Cavalcanti",
      "M. F. Santos",
      "M. O. Terra Cunha",
      "C. Lunkes",
      "V. Vedral"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.72.062307",
    "journal_ref": "Phys. Rev. A 72, 062307 (2005)",
    "title": "Increasing identical particle entanglement by fuzzy measurements",
    "url": "https://arxiv.org/abs/quant-ph/0505029"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "11e1ec43-b75b-40f7-a1ed-f3b89e89b282",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}