[
  {
    "id": "ARR-2026-7NZJA12AH89H3AKM-v1",
    "type": "article",
    "title": "Linear Fisher information from a probe coupled to an inaccessible quantum memory",
    "author": [
      {
        "literal": "Lluis Eriksson"
      }
    ],
    "issued": {
      "date-parts": [
        [
          2026,
          10,
          24
        ]
      ]
    },
    "publisher": "AIRR.SCIENCE",
    "archive": "AIRR.SCIENCE",
    "archive_location": "ARR-2026-7NZJA12AH89H3AKM",
    "version": "v1",
    "genre": "Research preprint",
    "URL": "https://airr.science/papers/ARR-2026-7NZJA12AH89H3AKM/versions/v1/",
    "note": "Research preprint; ARR-2026-7NZJA12AH89H3AKM v1. Not peer reviewed by AIRR. Working paper; not admitted to the AIRR accepted collection.",
    "abstract": "A finite quantum probe repeatedly interacts with an inaccessible memory. Three sufficient conditions establish classical Fisher information proportional to the number of recorded prepare-and-measure rounds. The result is local and conditional and does not establish universal optimality or quantum advantage."
  }
]