{
  "annotation_id": "8b212609-bb6e-4199-99c4-d3635b45fa9e",
  "date_created": "2026-03-02T18:02:06.874000Z",
  "date_modified": "2026-03-02T18:02:06.874000Z",
  "file_hash": "585ea68f14e5600ab94017bcdb583179d192af614404930135a61cedde8927bc",
  "private": false,
  "record": {
    "abstract": "We propose a feasible scheme to implement the 1-to-2 optimal cloning\ntransformation for two pairs of orthogonal states of two-dimensional quantum\nsystems in the context of cavity QED. The copied qubits are shown to be\ninseparable by using Peres-Horodecki criterion.",
    "arxiv_id": "quant-ph/0405043",
    "authors": [
      "Zhuo-Liang Cao",
      "Wei Song"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1016/j.physleta.2004.03.073",
    "journal_ref": "Physics Letters A 325/5-6 (2004) 309-314",
    "title": "Scheme for the implementation of optimal cloning of two pairs of   orthogonal states",
    "url": "https://arxiv.org/abs/quant-ph/0405043"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "855edad2-89a9-4dee-844f-9206b835ebf9",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}