{
  "annotation_id": "a1731a92-5d37-4dab-af36-a82e0e646893",
  "date_created": "2026-03-02T18:01:59.606000Z",
  "date_modified": "2026-03-02T18:01:59.606000Z",
  "file_hash": "522fe4715665e0a69f1f7fd112534110ec1dbc8648f77cdb78eae7ed52074285",
  "private": false,
  "record": {
    "abstract": "Employing the general BXOR operation and local state discrimination, the\nmixed state of the form\n\\rho^{(k)}_{d}=\\frac{1}{d^{2}}\\sum_{m,n=0}^{d-1}(|\\phi_{mn}\u003e\u003c\\phi_{mn}|)^{\\otim\nes k} is proved to be quasi-pure, where $\\{|\\phi_{mn}\u003e\\}$ is the canonical set\nof mutually orthogonal maximally entangled states in $d\\times d$. Therefore\nirreversibility does not occur in the process of distillation for this family\nof states. Also, the distillable entanglement is calculated explicitly.",
    "arxiv_id": "quant-ph/0304194",
    "authors": [
      "Dong Yang",
      "Yi-Xin Chen"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.69.024302",
    "title": "Mixture of multiple copies of maximally entangled states is quasi-pure",
    "url": "https://arxiv.org/abs/quant-ph/0304194"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "3412b5f2-e08b-497d-b600-e8c16847cd4e",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}