{
  "id": "1102.4285",
  "version": "v2",
  "published": "2011-02-21T17:26:41.000Z",
  "updated": "2011-05-31T09:22:19.000Z",
  "title": "Remote Entanglement between a Single Atom and a Bose-Einstein Condensate",
  "authors": [
    "M. Lettner",
    "M. Mücke",
    "S. Riedl",
    "C. Vo",
    "C. Hahn",
    "S. Baur",
    "J. Bochmann",
    "S. Ritter",
    "S. Dürr",
    "G. Rempe"
  ],
  "journal": "Phys. Rev. Lett. 106, 210503 (2011)",
  "doi": "10.1103/PhysRevLett.106.210503",
  "categories": [
    "quant-ph",
    "cond-mat.quant-gas"
  ],
  "abstract": "Entanglement between stationary systems at remote locations is a key resource for quantum networks. We report on the experimental generation of remote entanglement between a single atom inside an optical cavity and a Bose-Einstein condensate (BEC). To produce this, a single photon is created in the atom-cavity system, thereby generating atom-photon entanglement. The photon is transported to the BEC and converted into a collective excitation in the BEC, thus establishing matter-matter entanglement. After a variable delay, this entanglement is converted into photon-photon entanglement. The matter-matter entanglement lifetime of 100 $\\mu$s exceeds the photon duration by two orders of magnitude. The total fidelity of all concatenated operations is 95%. This hybrid system opens up promising perspectives in the field of quantum information.",
  "revisions": [
    {
      "version": "v2",
      "updated": "2011-05-31T09:22:19.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "03.67.Bg",
      "03.75.Gg",
      "42.50.Ex",
      "42.50.Gy"
    ],
    "keywords": [
      "bose-einstein condensate",
      "remote entanglement",
      "hybrid system opens",
      "single atom inside",
      "matter-matter entanglement lifetime"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "APS",
      "journal": "Physical Review Letters",
      "year": 2011,
      "month": "May",
      "volume": 106,
      "number": 21,
      "pages": 210503
    },
    "note": {
      "typesetting": "TeX",
      "pages": 0,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2011PhRvL.106u0503L"
    }
  }
}