{
  "annotation_id": "d482d600-f2b4-45bd-9f07-0e511f911ed6",
  "date_created": "2026-03-02T18:01:56.380000Z",
  "date_modified": "2026-03-02T18:01:56.380000Z",
  "file_hash": "1852ce2a5807368743b0e9b651b0436f2178d91219bef542ef45920cd499d6ea",
  "private": false,
  "record": {
    "abstract": "Much of the discussion of decoherence has been in terms of a particle moving\nin one dimension that is placed in an initial superposition state (a\nSchr\\\"{o}dinger \"cat\" state) corresponding to two widely separated wave\npackets. Decoherence refers to the destruction of the interference term in the\nquantum probability function. Here, we stress that a quantitative measure of\ndecoherence depends not only on the specific system being studied but also on\nwhether one is considering coordinate, momentum or phase space. We show that\nthis is best illustrated by considering Wigner phase space where the measure is\nagain different. Analytic results for the time development of the Wigner\ndistribution function for a two-Gaussian Schrodinger \"cat\" state have been\nobtained in the high-temperature limit (where decoherence can occur even for\nnegligible dissipation) which facilitates a simple demonstration of our\nremarks.",
    "arxiv_id": "quant-ph/0301050",
    "authors": [
      "M. Murakami",
      "G. W. Ford",
      "R. F. O\u0027Connell"
    ],
    "categories": [
      "quant-ph"
    ],
    "journal_ref": "Laser Physics, Vol. 13. No. 2, 2003, pp. 180-183",
    "title": "Decoherence in Phase Space",
    "url": "https://arxiv.org/abs/quant-ph/0301050"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "ea396520-c344-4317-a215-1ca051b1f871",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}