{
  "id": "0902.4193",
  "version": "v2",
  "published": "2009-02-24T17:07:42.000Z",
  "updated": "2009-12-09T10:58:40.000Z",
  "title": "Optimal Control at the Quantum Speed Limit",
  "authors": [
    "Tommaso Caneva",
    "Michael Murphy",
    "Tommaso Calarco",
    "Rosario Fazio",
    "Simone Montangero",
    "Vittorio Giovannetti",
    "Giuseppe E. Santoro"
  ],
  "comment": "4 pages, 4 figures; v2: references added, published version",
  "journal": "Phys. Rev. Lett. 103, 240501 (2009)",
  "categories": [
    "quant-ph",
    "cond-mat.other"
  ],
  "abstract": "Optimal control theory is a promising candidate for a drastic improvement of the performance of quantum information tasks. We explore its ultimate limit in paradigmatic cases, and demonstrate that it coincides with the maximum speed limit allowed by quantum evolution (the quantum speed limit).",
  "revisions": [
    {
      "version": "v2",
      "updated": "2009-12-09T10:58:40.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "03.67.Ac",
      "02.30.Yy",
      "75.10.Pq"
    ],
    "keywords": [
      "quantum speed limit",
      "optimal control theory",
      "quantum information tasks",
      "quantum evolution",
      "drastic improvement"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "APS",
      "journal": "Physical Review Letters",
      "doi": "10.1103/PhysRevLett.103.240501",
      "year": 2009,
      "month": "Dec",
      "volume": 103,
      "number": 24,
      "pages": 240501
    },
    "note": {
      "typesetting": "TeX",
      "pages": 4,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2009PhRvL.103x0501C"
    }
  }
}