{
  "annotation_id": "acb96074-e4a8-4b01-815f-cebadf2872ee",
  "date_created": "2026-03-02T18:02:38.095000Z",
  "date_modified": "2026-03-02T18:02:38.095000Z",
  "file_hash": "85d7e4120161cc255ea38185e2617a25c21ef40e5c4fb9e58b7347e22ba71f41",
  "private": false,
  "record": {
    "abstract": "The interaction of an open system $\\s$ with a pre- and post-selected\nenvironment is studied. In general, under such circumstances $\\s$ can not be\ndescribed in terms of a density matrix, {\\it even when $\\s$ in not\npost-selected}. However, a simple description in terms of a two-state (TS) is\nalways available. The two-state of $\\s$ evolves in time from an initially\n`pure\u0027 TS to a `mixed\u0027 TS and back to a final `pure\u0027 TS. This generic process\nis governed by a modified Liouville equation, which is derived. For a sub-class\nof observables, which can still be described by an ordinary density matrix,\nthis evolution generates recoherence to a final pure state. In some cases\npost-selection can even suppress any decoherence.",
    "arxiv_id": "quant-ph/9501023",
    "authors": [
      "B. Reznik"
    ],
    "categories": [
      "quant-ph",
      "gr-qc",
      "hep-th"
    ],
    "title": "Interaction with a pre and post selected environment and recoherence",
    "url": "https://arxiv.org/abs/quant-ph/9501023"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "e435ac18-925f-4ce2-af7c-526aaa13ce4e",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}