{
  "annotation_id": "4240ad28-0754-4816-869d-949086e6a95c",
  "date_created": "2026-03-02T18:02:41.532000Z",
  "date_modified": "2026-03-02T18:02:41.532000Z",
  "file_hash": "dd355c5db8403c982d30d4ba552498ddc6b9a46550b80db2ad74642f5bd5476d",
  "private": false,
  "record": {
    "abstract": "We study a special inhomogeneous quantum network consisting of a ring of $M$\npseudo-spins (here $M = 4$) sequentially coupled to one and the same central\nspin under the influence of given pulse sequences (quantum gate operations).\nThis architecture could be visualized as a quantum Turing machine with a cyclic\n``tape\u0027\u0027. Rather than input-output-relations we investigate the resulting\nprocess, i.e. the correlation between one- and two-point expectation values\n(``correlations\u0027\u0027) over various time-steps. The resulting spatio-temporal\npattern exhibits many non-classical features including Zeno-effects, violation\nof temporal Bell-inequalities, and quantum parallelism. Due to the strange web\nof correlations being built-up, specific measurement outcomes for the tape may\nrefer to one or several preparation histories of the head. Specific families of\ncorrelation functions are more stable with respect to dissipation than the\ntotal wave-function.",
    "arxiv_id": "quant-ph/9803008",
    "authors": [
      "Guenter Mahler",
      "Ilki Kim"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "Correlation between Correlations: Process and Time in Quantum Networks",
    "url": "https://arxiv.org/abs/quant-ph/9803008"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "cb7bf006-4e7a-4731-952a-ddb07332e60b",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}