{
  "annotation_id": "2766916d-7778-45f4-8bd2-bfd567714e36",
  "date_created": "2026-03-02T18:02:27.511000Z",
  "date_modified": "2026-03-02T18:02:27.511000Z",
  "file_hash": "eddf12991b2fc0791352f8a9205c2b7498d759cc20268060da9e9941279dcea3",
  "private": false,
  "record": {
    "abstract": "We derive analytical formula for the optimal trade-off between the mean\nestimation fidelity and the mean fidelity of the qubit state after a partial\nmeasurement on N identically prepared qubits. We also conjecture analytical\nexpression for the optimal fidelity trade-off in case of a partial measurement\non N identical copies of a d-level system.",
    "arxiv_id": "quant-ph/0606112",
    "authors": [
      "Ladislav Mista Jr.",
      "Jaromir Fiurasek"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.74.022316",
    "journal_ref": "Phys. Rev. A 74, 022316 (2006).",
    "title": "Optimal partial estimation of quantum states from several copies",
    "url": "https://arxiv.org/abs/quant-ph/0606112"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "fe38b4ea-a5a2-4097-a97e-9027f77b2cac",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}