{
  "annotation_id": "b48ff3ee-d9b0-468d-b598-e696a48b1c57",
  "date_created": "2026-03-02T18:02:20.534000Z",
  "date_modified": "2026-03-02T18:02:20.534000Z",
  "file_hash": "f9eb776a0b2b5defbe3be0082100f4065e0585ab1bef1cb094491c5b814bbe43",
  "private": false,
  "record": {
    "abstract": "We study an electrostatic qubit monitored by a point-contact detector.\nProjecting an entire qubit-detector wave function on the detector eigenstates\nwe determine the precision limit for the qubit measurements, allowed by quantum\nmechanics. We found that this quantity is determined by qubit dynamics as well\nas decoherence, generated by the measurement. Our results show how the quantum\nprecision limit can be improved by a proper design of a measurement procedure.",
    "arxiv_id": "quant-ph/0507197",
    "authors": [
      "S. A. Gurvitz"
    ],
    "categories": [
      "quant-ph",
      "cond-mat.mes-hall",
      "physics.optics"
    ],
    "doi": "10.1142/S0217979206033978",
    "journal_ref": "International Journal of Modern Physics B20, 1363 (2006)",
    "title": "Quantum limit of measurement and the projection postulate",
    "url": "https://arxiv.org/abs/quant-ph/0507197"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "044bc846-6d53-43d8-a990-b9bcc368d563",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}