{
  "annotation_id": "2615d8b5-4255-4bb5-8cbb-0261056d3e3a",
  "date_created": "2026-03-02T18:02:30.965000Z",
  "date_modified": "2026-03-02T18:02:30.965000Z",
  "file_hash": "b4d89926d383a5a071ca6845ccb3a2c7b6ec5780b81275ec404a4dd88e774002",
  "private": false,
  "record": {
    "abstract": "Conceptually different from the decoherence program, we present a novel\ntheoretical approach to macroscopic realism and classical physics within\nquantum theory. It focuses on the limits of observability of quantum effects of\nmacroscopic objects, i.e., on the required precision of our measurement\napparatuses such that quantum phenomena can still be observed. First, we\ndemonstrate that for unrestricted measurement accuracy no classical description\nis possible for arbitrarily large systems. Then we show for a certain time\nevolution that under coarse-grained measurements not only macrorealism but even\nthe classical Newtonian laws emerge out of the Schroedinger equation and the\nprojection postulate.",
    "arxiv_id": "quant-ph/0609079",
    "authors": [
      "Johannes Kofler",
      "Caslav Brukner"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevLett.99.180403",
    "journal_ref": "Phys. Rev. Lett. 99, 180403 (2007)",
    "title": "Classical world arising out of quantum physics under the restriction of   coarse-grained measurements",
    "url": "https://arxiv.org/abs/quant-ph/0609079"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "49467a3e-4d0e-416b-a862-73b67bf37cf4",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}