{
  "id": "1309.6374",
  "version": "v3",
  "published": "2013-09-25T00:30:42.000Z",
  "updated": "2014-08-11T10:29:19.000Z",
  "title": "A lower bound on the fidelity between two states in terms of their Bures distance",
  "authors": [
    "Lin Zhang",
    "Junde Wu"
  ],
  "comment": "5 pages, LaTeX, we have corrected some errors appearing in the original manuscript. We have partially fixed the gap in the proof of the previous versions. A new method towards the conjectured inequality in the present version is being expected",
  "categories": [
    "quant-ph",
    "math-ph",
    "math.MP"
  ],
  "abstract": "Fidelity is a fundamental and ubiquitous concept in quantum information theory. Fuchs-van de Graaf's inequalities deal with bounding fidelity from above and below. In this paper, we give a lower bound on the quantum fidelity between two states in terms of their Bures distance.",
  "revisions": [
    {
      "version": "v3",
      "updated": "2014-08-11T10:29:19.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "bures distance",
      "lower bound",
      "graafs inequalities deal",
      "quantum information theory",
      "quantum fidelity"
    ],
    "note": {
      "typesetting": "LaTeX",
      "pages": 5,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2013arXiv1309.6374Z"
    }
  }
}