{
  "annotation_id": "177f35eb-70dc-4f59-aad1-99c76ed9293a",
  "date_created": "2026-03-02T18:02:13.743000Z",
  "date_modified": "2026-03-02T18:02:13.743000Z",
  "file_hash": "afd834753f8a50503dcae618a9237363d7d01fad559d2bf23f1e9a22742be5dd",
  "private": false,
  "record": {
    "abstract": "We discuss the canonical form for a pure state of three identical bosons in\ntwo modes, and classify its entanglement correlation into two types, the\nanalogous GHZ and the W types as well known in a system of three\ndistinguishable qubits. We have performed a detailed study of two important\nentanglement measures for such a system, the concurrence $\\mathcal{C}$ and the\ntriple entanglement measure $\\tau$. We have also calculated explicitly the spin\nsqueezing parameter $\\xi$ and the result shows that the W state is the most\n``anti-squeezing\u0027\u0027 state, for which the spin squeezing parameter cannot be\nregarded as an entanglement measure.",
    "arxiv_id": "quant-ph/0501082",
    "authors": [
      "B. Zeng",
      "D. L. Zhou",
      "Z. Xu",
      "L. You"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.71.042317",
    "journal_ref": "Phys. Rev. A 71, 042317 (2005)",
    "title": "Entanglement and spin squeezing properties for three bosons in two modes",
    "url": "https://arxiv.org/abs/quant-ph/0501082"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "472808be-3ada-4b35-8f62-e1b649645f21",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}