{
  "annotation_id": "34a2d2d8-a260-48a9-8181-48eea3f102f7",
  "date_created": "2026-03-02T18:02:24.181000Z",
  "date_modified": "2026-03-02T18:02:24.181000Z",
  "file_hash": "caa11b59e64d7d6baec0b913b26f733d5f80e3626483f7a03bb7fdb8f4f7cf60",
  "private": false,
  "record": {
    "abstract": "The maximum von Neumann entropy principle subject to given constraints of\nmean values of some physical observables determines the density matrix.\nSimilarly the stationary action principle in the case of time-dependent\n(dissipative) situations under similar constraints yields the density matrix.\nThe free energy and measures of entanglement are expressed in terms of such a\ndensity matrix and thus define respective functionals of the mean values. In\nthe light of several model calculations, it is found that the density matrix\ncontains information about both quantum entanglement and phase transitions even\nthough there may not be any direct relationship implied by one on the other.",
    "arxiv_id": "quant-ph/0512102",
    "authors": [
      "A. K. Rajagopal",
      "R. W. Rendell"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "Relationship of Quantum Entanglement to Density Functional Theory",
    "url": "https://arxiv.org/abs/quant-ph/0512102"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "dd848112-f386-4695-a4fa-6044e23b5ca9",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}