{
  "annotation_id": "9ca2f2ec-e1cc-436a-8ff3-c0a5b98ece84",
  "date_created": "2026-03-02T18:01:45.401000Z",
  "date_modified": "2026-03-02T18:01:45.401000Z",
  "file_hash": "4644592ce58a2fb6fcb45b2ac89cb2492a154dd877a68a47b8d2963472bc0c98",
  "private": false,
  "record": {
    "abstract": "We show how entanglement can be used to improve the estimation of an unknown\ntransformation. Using entanglement is always of benefit, in improving either\nthe precision or the stability of the measurement. Examples relevant for\napplications are illustrated, for either qubits and continuous variables",
    "arxiv_id": "quant-ph/0109040",
    "authors": [
      "G. Mauro D\u0027Ariano",
      "Paoloplacido Lo Presti",
      "Matteo G. A. Paris"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevLett.87.270404",
    "title": "Using entanglement improves precision of quantum measurements",
    "url": "https://arxiv.org/abs/quant-ph/0109040"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "25375571-bc84-495a-bd8e-51fa17d30304",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}