{
  "annotation_id": "7a28b356-9ddc-45d5-b798-6b01016ba982",
  "date_created": "2026-03-02T18:02:07.108000Z",
  "date_modified": "2026-03-02T18:02:07.108000Z",
  "file_hash": "59cb4f7ae774bdff032acbfeb359358a8af593cf02fce07c67cd78ef00e86201",
  "private": false,
  "record": {
    "abstract": "In this letter we propose a theoretical deterministic secure direct\nbidirectional quantum communication protocol by using swapping quantum\nentanglement and local unitary operations, in which the quantum channel for\nphoton transmission can be discarded, hence any attack with or without\neavesdropping or even the destructive attack without scruple is impossible.",
    "arxiv_id": "quant-ph/0403217",
    "authors": [
      "Z. J. Zhang",
      "Z. X. Man"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "Secure Bidirectional Communication Protocol without Quantum Channel",
    "url": "https://arxiv.org/abs/quant-ph/0403217"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "d772a3d0-863e-4e48-bdd8-2802ac86be5b",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}