{
  "annotation_id": "2abece48-dd85-4dd3-b02e-2ef0c20811ac",
  "date_created": "2026-03-02T18:02:37.231000Z",
  "date_modified": "2026-03-02T18:02:37.231000Z",
  "file_hash": "7af51ceb47ca42f487137add90381c892ba0c226a6b440d50a17abecb66565ce",
  "private": false,
  "record": {
    "abstract": "We investigate the propagation of information through the disordered XY\nmodel. We find, with a probability that increases with the size of the system,\nthat all correlations, both classical and quantum, are suppressed outside of an\neffective lightcone whose radius grows at most polylogarithmically with |t|.",
    "arxiv_id": "quant-ph/0703209",
    "authors": [
      "Christian K. Burrell",
      "Tobias J. Osborne"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevLett.99.167201",
    "journal_ref": "Phys. Rev. Lett. 99, 167201 (2007)",
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "title": "Bounds on Information Propagation in Disordered Quantum Spin Chains",
    "url": "https://arxiv.org/abs/quant-ph/0703209"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "72305e2f-949a-4840-b85e-2b4837fea90b",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}