{
  "annotation_id": "aabea9cf-1afd-4941-92ef-dd6edf3e7418",
  "date_created": "2026-03-02T18:02:40.775000Z",
  "date_modified": "2026-03-02T18:02:40.775000Z",
  "file_hash": "95ce46b6c19e710faeca018e43fbe82f448311184cf59cd3783d6e004c860e5f",
  "private": false,
  "record": {
    "abstract": "We show that, there are physical means for cloning two non-orthogonal pure\nstates which are secretly chosen from a certain set $% \\$={ | \\Psi_0 \u003e , |\n\\Psi_1 \u003e }$. The states are cloned through a unitary evolution together with a\nmeasurement. The cloning efficiency can not attain 100%. With some negative\nmeasurement results, the cloning fails.",
    "arxiv_id": "quant-ph/9704020",
    "authors": [
      "Lu-Ming Duan",
      "Guang-Can Guo"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "Two non-orthogonal states can be cloned by a unitary-reduction process",
    "url": "https://arxiv.org/abs/quant-ph/9704020"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "0fdc35fb-5fb2-48cb-acf0-b4e719915ee3",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}