{
  "annotation_id": "58ec7b87-6b3e-430a-a15a-2258edd7f781",
  "date_created": "2026-03-02T18:01:46.069000Z",
  "date_modified": "2026-03-02T18:01:46.069000Z",
  "file_hash": "6e7f9ea3b718e113db99060a9c66146dd4b21c245790a1186bff494d7678fa0b",
  "private": false,
  "record": {
    "abstract": "We derive the master equation that governs the evolution of the measured\nstate backwards in time in an open system. This allows us to determine\nprobabilities for a given set of preparation events from the results of\nsubsequent measurements, which has particular relevance to quantum\ncommunication.",
    "arxiv_id": "quant-ph/0107139",
    "authors": [
      "Stephen M. Barnett",
      "David T. Pegg",
      "John Jeffers",
      "Ottavia Jedrkiewicz"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevLett.86.2455",
    "journal_ref": "Phys. Rev. Lett 86, 2455 (2001)",
    "title": "Master Equation for Retrodiction of Quantum Communication Signals",
    "url": "https://arxiv.org/abs/quant-ph/0107139"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "ba3d73d2-21f6-4bcd-86ec-733b871db316",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}