{
  "annotation_id": "86a3d794-ad09-4bfc-9b65-689847caf88a",
  "date_created": "2026-03-02T18:01:42.546000Z",
  "date_modified": "2026-03-02T18:01:42.546000Z",
  "file_hash": "48ad80c6a9f070e0c98edee84db9a3f54b4d38409ee124c1c261dc18d2a60166",
  "private": false,
  "record": {
    "abstract": "Entropy and temperature of a system in a coherent state are naturally defined\non a base of a density matrix of the system. As an example, entropy and\ntemperature are evaluated for coherent states of a harmonic oscillator and\nquantum field described by the Klein--Gordon--Fock equation with a source term.\nIt is shown, in particular, that the temperature of the coherent oscillator in\na ground state coincides with the effective temperature of a harmonic\noscillator being in contact with a heat bath (Bloch formula) when the bath\ntemperature tends to zero. The Bekenstein--Hawking entropy of a black hole can\nalso be interpreted as an entropy of coherent states of a physical vacuum in\nthe vicinity of a horizon surface.",
    "arxiv_id": "quant-ph/0104083",
    "authors": [
      "A. G. Bashkirov",
      "A. D. Sukhanov"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "Thermodynamics of Coherent States and Black Hole Entropy",
    "url": "https://arxiv.org/abs/quant-ph/0104083"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "e89fbe85-1fc5-44cf-bf41-054339979086",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}