{
  "annotation_id": "106719ab-20b8-43c2-bbe4-218357e3e480",
  "date_created": "2026-03-02T18:02:00.213000Z",
  "date_modified": "2026-03-02T18:02:00.213000Z",
  "file_hash": "d155414ac430440c4dc88adcc0604d45df32efa4aaf0ee7f221dad89cd7bfe72",
  "private": false,
  "record": {
    "abstract": "Clauser-Horne-Shimony-Holt inequality for bipartite systems of 4-dimension is\nstudied in detail by employing the unbiased eight-port beam splitters\nmeasurements. The uniform formulae for the maximum and minimum values of this\ninequality for such measurements are obtained. Based on these formulae, we show\nthat an optimal non-maximally entangled state is about 6% more resistant to\nnoise than the maximally entangled one. We also give the optimal state and the\noptimal angles which are important for experimental realization.",
    "arxiv_id": "quant-ph/0307011",
    "authors": [
      "Li-Bin Fu",
      "Jing-Ling Chen",
      "Shi-Gang Chen"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.69.034305",
    "journal_ref": "Phys. Rev. A 69, 034305 (2004)",
    "title": "Maximal violation of Clauser-Horne-Shimony-Holt inequality for   four-level systems",
    "url": "https://arxiv.org/abs/quant-ph/0307011"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "ce4208c3-b195-4912-85b3-b62492b5d581",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}