{
  "annotation_id": "9e9c88ee-0941-47d0-b56b-a6ef31cc5166",
  "date_created": "2026-03-02T18:02:34.243000Z",
  "date_modified": "2026-03-02T18:02:34.243000Z",
  "file_hash": "31296b934bdc6a2abad133acef5dd91bbea407f255f8dc20cd5e1174900a8dac",
  "private": false,
  "record": {
    "abstract": "We establish a relation between concurrence and entanglement witnesses. In\nparticular, we construct entanglement witnesses for three-qubit W and GHZ\nstates in terms of concurrence and different set of operators that generate it.\nWe also generalize our construction for multi-qubit states.",
    "arxiv_id": "quant-ph/0701067",
    "authors": [
      "Hoshang Heydari"
    ],
    "categories": [
      "quant-ph"
    ],
    "journal_ref": "Quantum Information and Computation 8(8/9) (2008) 0791-0796",
    "title": "Entanglement witnesses and concurrence for multi-qubit states",
    "url": "https://arxiv.org/abs/quant-ph/0701067"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "401e4ee5-7f38-457a-b528-4609abddda72",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}