{
  "annotation_id": "6dee814b-410e-470c-8cb3-a283b02fec62",
  "date_created": "2026-03-02T18:02:23.430000Z",
  "date_modified": "2026-03-02T18:02:23.430000Z",
  "file_hash": "63e8838391c7d73b2515bfc613cc77650888e899ca5d9ae5a7b7e34b0dfc12f4",
  "private": false,
  "record": {
    "abstract": "The possibility of obtaining the initial pure state in a usual Stern-Gerlach\nexperiment through the recombination of the two emerging beams is investigated.\nWe have extended the previous work of Englert, Schwinger and Scully \\cite{ISG1}\nincluding the fluctuations of the magnetic field generated by a properly chosen\nmagnet. As a result we obtained an attenuation factor to the possible revival\nof coherence when the beams are perfectly recombined . When the source of the\nmagnetic field is a SQUID(superconducting quantum interference device) the\nattenuation factor can be controlled by external circuits and the spin\ndecoherence directly measured. For the proposed SQUID with dimensions in the\nscale of microns the attenuation factor has been shown unimportant when\ncompared with the interaction time of the spin with the magnet.",
    "arxiv_id": "quant-ph/0601070",
    "authors": [
      "Thiago R. Oliveira",
      "A. O. Caldeira"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "Dissipative Stern-Gerlach recombination experiment",
    "url": "https://arxiv.org/abs/quant-ph/0601070"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "749254ca-61b2-4389-b6ef-3d172790e1a0",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}