{
  "annotation_id": "24bbdfda-81e8-4b17-95ff-1cf71eff6056",
  "date_created": "2026-03-02T18:01:59.594000Z",
  "date_modified": "2026-03-02T18:01:59.594000Z",
  "file_hash": "69b8507e64738accca3ae7df60664351b2e5dfcb6ede82fba2d7ce974eb43ab5",
  "private": false,
  "record": {
    "abstract": "A microscopic calculation of ground state entanglement for the XY and\nHeisenberg models shows the emergence of universal scaling behavior at quantum\nphase transitions. Entanglement is thus controlled by conformal symmetry. Away\nfrom the critical point, entanglement gets saturated by a mass scale. Results\nborrowed from conformal field theory imply irreversibility of entanglement loss\nalong renormalization group trajectories. Entanglement does not saturate in\nhigher dimensions which appears to limit the success of the density matrix\nrenormalization group technique. A possible connection between majorization and\nrenormalization group irreversibility emerges from our numerical analysis.",
    "arxiv_id": "quant-ph/0304098",
    "authors": [
      "J. I. Latorre",
      "E. Rico",
      "G. Vidal"
    ],
    "categories": [
      "quant-ph",
      "cond-mat",
      "hep-th"
    ],
    "journal_ref": "Quant.Inf.Comput. 4 (2004) 48-92",
    "title": "Ground state entanglement in quantum spin chains",
    "url": "https://arxiv.org/abs/quant-ph/0304098"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "44f9bfff-da79-41ca-bbfa-2ecaa53ee012",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}