{
  "id": "quant-ph/9903033",
  "version": "v2",
  "published": "1999-03-09T15:56:36.000Z",
  "updated": "1999-06-02T08:50:44.000Z",
  "title": "Quantum entanglement and classical communication through a depolarising channel",
  "authors": [
    "D. Bruss",
    "L. Faoro",
    "C. Macchiavello",
    "M. Palma"
  ],
  "comment": "6 pages, 2 figures; contribution to special issue of JMO on the physics of quantum information; 2nd version: slight modifications and improved presentation",
  "journal": "J.Mod.Opt. 47 (2000) 325",
  "categories": [
    "quant-ph"
  ],
  "abstract": "We analyse the role of entanglement for transmission of classical information through a memoryless depolarising channel. Using the isotropic character of this channel we prove analytically that the mutual information cannot be increased by encoding classical bits into entangled states of two qubits.",
  "revisions": [
    {
      "version": "v2",
      "updated": "1999-06-02T08:50:44.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "quantum entanglement",
      "classical communication",
      "mutual information",
      "isotropic character",
      "classical information"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "doi": "10.1080/09500340008244045",
      "journal": "Journal of Modern Optics",
      "year": 2000,
      "month": "Feb",
      "volume": 47,
      "number": 2,
      "pages": 325
    },
    "note": {
      "typesetting": "TeX",
      "pages": 6,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 496462,
      "adsabs": "2000JMOp...47..325B"
    }
  }
}