{
  "annotation_id": "b12c1290-9dfb-48e2-87b7-123f3f0485e5",
  "date_created": "2026-03-02T18:01:42.134000Z",
  "date_modified": "2026-03-02T18:01:42.134000Z",
  "file_hash": "07c85377c987e10ed77c41599e695479b09908ab1804fd2b61467c684c520e6b",
  "private": false,
  "record": {
    "abstract": "We propose a single-particle experiment that is equivalent to the\nconventional two-particle experiment used to demonstrate a violation of Bell\u0027s\ninequalities. Hence, we argue that quantum mechanical nonlocality can be\ndemonstrated by single-particle states. The validity of such a claim has been\ndiscussed in the literature, but without reaching a clear consensus. We show\nthat the disagreement can be traced to what part of the total state of the\nexperiment one assigns to the (macroscopic) measurement apparatus. However,\nwith a conventional and legitimate interpretation of the measurement process\none is led to the conclusion that even a single particle can show nonlocal\nproperties.",
    "arxiv_id": "quant-ph/0103074",
    "authors": [
      "G. Bjork",
      "P. Jonsson",
      "L. L. Sanchez-Soto"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.64.042106",
    "title": "Single-particle nonlocality and entanglement with the vacuum",
    "url": "https://arxiv.org/abs/quant-ph/0103074"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "4832e183-9c59-4bca-96b4-e978cff388e2",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}