{
  "annotation_id": "532fc018-6126-4b3a-879c-a4886bd073ca",
  "date_created": "2026-03-02T18:02:10.291000Z",
  "date_modified": "2026-03-02T18:02:10.291000Z",
  "file_hash": "cc031765df9c61f3f8bf705de44e1fc43f35852fa4c0bde550faf9980768d15b",
  "private": false,
  "record": {
    "abstract": "A multiple round quantum dense coding (MRQDC) scheme based on the quantum\nphase estimation algorithm is proposed. Using an $m+1$ qubit system, Bob can\ntransmit $2^{m+1}$ messages to Alice, through manipulating only one qubit and\nexchanging it between Alice and Bob for $m$ rounds. The information capacity is\nenhanced to $m+1$ bits. We have implemented the scheme in a three- qubit\nnuclear magnetic resonance (NMR) quantum computer. The experimental results\nshow a good agreement between theory and experiment.",
    "arxiv_id": "quant-ph/0407104",
    "authors": [
      "Jingfu Zhang",
      "Jingyi Xie",
      "Chuan Wang",
      "Zhiwei Deng",
      "Zhiheng Lu",
      "Guilu Long"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "Multiple Round Quantum Dense Coding And Its Implementation Using Nuclear   Magnetic Resonance",
    "url": "https://arxiv.org/abs/quant-ph/0407104"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "2369a0f7-6b18-4d9f-8282-d61dab4f0784",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}