{
  "annotation_id": "d8325a91-cc30-4ec4-aa4e-3731f117e39a",
  "date_created": "2026-03-02T18:02:44.647000Z",
  "date_modified": "2026-03-02T18:02:44.647000Z",
  "file_hash": "9ce68cf1f35e9c68fd2e3ef1d83ba9a1ea33d54803fc8c0eafbc55fc5d2aa61d",
  "private": false,
  "record": {
    "abstract": "Ideal dense coding protocols allow one to use prior maximal entanglement to\nsend two bits of classical information by the physical transfer of a single\nencoded qubit. We investigate the case when the prior entanglement is not\nmaximal and the initial state of the entangled pair of qubits being used for\nthe dense coding is a mixed state. We find upper and lower bounds on the\ncapability to do dense coding in terms of the various measures of entanglement\nand in terms of the average mutual distinguishability of the signal states.",
    "arxiv_id": "quant-ph/9810025",
    "authors": [
      "S. Bose",
      "M. B. Plenio",
      "V. Vedral"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "Mixed state dense coding and its relation to entanglement measures",
    "url": "https://arxiv.org/abs/quant-ph/9810025"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "23ecbfc5-f4c4-4251-8e29-61ad3c34ee65",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}