{
  "annotation_id": "609f6b15-6cb0-4450-bcab-dbc664983c24",
  "date_created": "2026-03-02T18:01:48.886000Z",
  "date_modified": "2026-03-02T18:01:48.886000Z",
  "file_hash": "bf39d25520cb2af3585fddeec69f062a4e5f743736880d33ce2b29cb6a89640d",
  "private": false,
  "record": {
    "abstract": "We show that in one-dimensional isotropic Heisenberg model two-qubit thermal\nentanglement and maximal violation of Bell inequalities are directly related\nwith a thermodynamical state function, i.e., the internal energy. Therefore\nthey are completely determined by the partition function, the central object of\nthermodynamics. For ferromagnetic ring we prove that there is no thermal\nentanglement at any temperature. Explicit relations between the concurrence and\nthe measure of maximal Bell inequality violation are given.",
    "arxiv_id": "quant-ph/0202108",
    "authors": [
      "Xiaoguang Wang",
      "Paolo Zanardi"
    ],
    "categories": [
      "quant-ph",
      "cond-mat.mes-hall",
      "cond-mat.stat-mech"
    ],
    "doi": "10.1016/S0375-9601(02)00885-X",
    "journal_ref": "Phys. Lett. A 301 (1-2), 1 (2002).",
    "title": "Quantum entanglement and Bell inequalities in Heisenberg spin chains",
    "url": "https://arxiv.org/abs/quant-ph/0202108"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "7c1cc22e-76fe-4ee4-a78e-6def327c4aeb",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}