{
  "annotation_id": "96f5a8f4-da76-4ea2-b598-2e7afa8d5b5d",
  "date_created": "2026-03-02T18:02:30.919000Z",
  "date_modified": "2026-03-02T18:02:30.919000Z",
  "file_hash": "4e4f4e5d3ed14cb6a69aa3722dca8d1f4e4e1c59d4521686bdbb38be4020d9b1",
  "private": false,
  "record": {
    "abstract": "We present a significantly improved scheme of entanglement detection inspired\nby local uncertainty relations for a system consisting of two qubits.\nDeveloping the underlying idea of local uncertainty relations, namely\ncorrelations, we demonstrate that it\u0027s possible to define a measure which is\ninvariant under local unitary transformations and which is based only on local\nmeasurements. It is quite simple to implement experimentally and it allows\nentanglement quantification in a certain range for mixed states and exactly for\npure states, without first obtaining full knowledge (e.g. through tomography)\nof the state.",
    "arxiv_id": "quant-ph/0608041",
    "authors": [
      "Christian Kothe",
      "Gunnar Bj\u00f6rk"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.75.012336",
    "journal_ref": "Phys. Rev. A 75, 012336 (2007)",
    "title": "Entanglement quantification through local observable correlations",
    "url": "https://arxiv.org/abs/quant-ph/0608041"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "cf5ce8e5-1077-4fa6-abe0-2c36e08497e0",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}