{
  "annotation_id": "37b8bae5-c701-4991-b447-e8752b15c602",
  "date_created": "2026-03-02T18:02:27.553000Z",
  "date_modified": "2026-03-02T18:02:27.553000Z",
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  "record": {
    "abstract": "We present a method to estimate entanglement measures in experiments. We show\nhow a lower bound on a generic entanglement measure can be derived from the\nmeasured expectation values of any finite collection of entanglement witnesses.\nHence witness measurements are given a quantitative meaning without the need of\nfurther experimental data. We apply our results to a recent multi-photon\nexperiment [M. Bourennane et al., Phys. Rev. Lett. 92, 087902 (2004)], giving\nbounds on the entanglement of formation and the geometric measure of\nentanglement in this experiment.",
    "arxiv_id": "quant-ph/0607163",
    "authors": [
      "O. G\u00fchne",
      "M. Reimpell",
      "R. F. Werner"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevLett.98.110502",
    "journal_ref": "Phys. Rev. Lett. 98, 110502 (2007)",
    "title": "Estimating entanglement measures in experiments",
    "url": "https://arxiv.org/abs/quant-ph/0607163"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "40c6933c-3847-4b83-b50c-a4e4b134cd63",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}