{
  "id": "1501.03332",
  "version": "v1",
  "published": "2015-01-14T12:44:43.000Z",
  "updated": "2015-01-14T12:44:43.000Z",
  "title": "Entanglement, steering, and Bell nonlocality are inequivalent for general measurements",
  "authors": [
    "Marco Túlio Quintino",
    "Tamás Vértesi",
    "Daniel Cavalcanti",
    "Remigiusz Augusiak",
    "Maciej Demianowicz",
    "Antonio Acín",
    "Nicolas Brunner"
  ],
  "comment": "7 pages, 1 figure",
  "categories": [
    "quant-ph"
  ],
  "abstract": "Einstein-Podolsky-Rosen steering is a form of inseparability in quantum theory commonly acknowledged to be intermediate between entanglement and Bell nonlocality. However, this statement has so far only been proven for a restricted class of measurements, namely projective measurements. Here we prove that entanglement, one-way steering, two-way steering and nonlocality are genuinely different considering general measurements, i.e. single round positive-operator-valued-measures. Finally, we show that the use of sequences of measurements is relevant for steering tests, as they can be used to reveal \"hidden steering\".",
  "revisions": [
    {
      "version": "v1",
      "updated": "2015-01-14T12:44:43.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "bell nonlocality",
      "entanglement",
      "inequivalent",
      "single round positive-operator-valued-measures",
      "considering general measurements"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 7,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2015arXiv150103332T"
    }
  }
}