{
  "annotation_id": "b79c6b02-3f9c-4205-acf9-25a75830cc23",
  "date_created": "2026-03-02T18:02:34.368000Z",
  "date_modified": "2026-03-02T18:02:34.368000Z",
  "file_hash": "d4569701615abed8cee7cf20f8fd85a63d83fe957f878d5b2a2c8019df435712",
  "private": false,
  "record": {
    "abstract": "We use the probability of error as a measure of distinguishability between\ntwo pure and two mixed symmetric coherent states in the context of continuous\nvariable quantum cryptography. We show that the two mixed symmetric coherent\nstates (in which the various components have the same real part) never give an\neavesdropper more information than two pure coherent states.",
    "arxiv_id": "quant-ph/0703128",
    "authors": [
      "Christian Weedbrook",
      "Mile Gu",
      "Andrew M. Lance",
      "Thomas Symul",
      "Ping Koy Lam",
      "Timothy C. Ralph"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "Coherent State Distinguishability in Continuous Variable Quantum   Cryptography",
    "url": "https://arxiv.org/abs/quant-ph/0703128"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "473b317a-eabc-4367-b217-df7f0eb743e4",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}