{
  "annotation_id": "0a027768-36a1-473f-a2e5-2018ee9fafe5",
  "date_created": "2026-03-02T18:01:38.692000Z",
  "date_modified": "2026-03-02T18:01:38.692000Z",
  "file_hash": "2ff750c25f433c3d90de1fb383ca83f4aa6035bf353453e1880db7496f20979d",
  "private": false,
  "record": {
    "abstract": "We study the entanglement properties of a class of $N$ qubit quantum states\nthat are generated in arrays of qubits with an Ising-type interaction. These\nstates contain a large amount of entanglement as given by their Schmidt\nmeasure. They have also a high {\\em persistency of entanglement} which means\nthat $\\sim N/2$ qubits have to be measured to disentangle the state. These\nstates can be regarded as an entanglement resource since one can generate a\nfamily of other multi-particle entangled states such as the generalized GHZ\nstates of $\u003cN/2$ qubits by simple measurements and classical communication\n(LOCC).",
    "arxiv_id": "quant-ph/0004051",
    "authors": [
      "Hans J. Briegel",
      "Robert Raussendorf"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevLett.86.910",
    "title": "Persistent entanglement in arrays of interacting particles",
    "url": "https://arxiv.org/abs/quant-ph/0004051"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "b1d7302d-67ab-42de-b718-09f159a08bdb",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}