{
  "annotation_id": "f2bab3fd-99ef-46b4-9935-99a759095902",
  "date_created": "2026-03-02T18:02:38.054000Z",
  "date_modified": "2026-03-02T18:02:38.054000Z",
  "file_hash": "26c5c5b11cfc28e00ecfda84584dcb48d4a875c80c3effd4a1a56edd0b3811b3",
  "private": false,
  "record": {
    "abstract": "We address the problem of removing correlation from sets of states while\npreserving as much local quantum information as possible. We prove that states\nobtained from universal cloning can only be decorrelated at the expense of\ncomplete erasure of local information (i.e. information about the copied\nstate). We solve analytically the problem of decorrelation for two qubits and\ntwo qumodes (harmonic oscillators in Gaussian states), and provide sets of\ndecorrelable states and the minimum amount of noise to be added for\ndecorrelation.",
    "arxiv_id": "quant-ph/0703171",
    "authors": [
      "G. M. D\u0027Ariano",
      "R. Demkowicz-Dobrzanski",
      "P. Perinotti",
      "M. F. Sacchi"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevLett.99.070501",
    "journal_ref": "Phys. Rev. Lett. 99, 070501 (2007)",
    "title": "Erasable and unerasable correlations",
    "url": "https://arxiv.org/abs/quant-ph/0703171"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "2c846ebc-b69d-4abd-92fc-2ba2f6cd0529",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}