{
  "id": "0704.3348",
  "version": "v1",
  "published": "2007-04-25T12:15:11.000Z",
  "updated": "2007-04-25T12:15:11.000Z",
  "title": "Extreme points of the set of density matrices with positive partial transpose",
  "authors": [
    "Jon Magne Leinaas",
    "Jan Myrheim",
    "Eirik Ovrum"
  ],
  "comment": "4 pages, 2 figures",
  "journal": "Phys. Rev. A 76, 034304 (2007)",
  "doi": "10.1103/PhysRevA.76.034304",
  "categories": [
    "quant-ph"
  ],
  "abstract": "We present a necessary and sufficient condition for a finite dimensional density matrix to be an extreme point of the convex set of density matrices with positive partial transpose with respect to a subsystem. We also give an algorithm for finding such extreme points and illustrate this by some examples.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2007-04-25T12:15:11.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "03.67.Mn",
      "02.40.Ft",
      "03.65.Ud"
    ],
    "keywords": [
      "positive partial transpose",
      "extreme point",
      "density matrices",
      "finite dimensional density matrix",
      "sufficient condition"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "APS",
      "journal": "Physical Review A",
      "year": 2007,
      "month": "Sep",
      "volume": 76,
      "number": 3,
      "pages": "034304"
    },
    "note": {
      "typesetting": "TeX",
      "pages": 4,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2007PhRvA..76c4304L"
    }
  }
}