{
  "annotation_id": "65b91a22-4397-44a7-a54b-5038f97c55ea",
  "date_created": "2026-03-02T18:02:17.208000Z",
  "date_modified": "2026-03-02T18:02:17.208000Z",
  "file_hash": "51b89e21e76ce2b52e362e93aa842538acbfc89bf62eace88129943dd0356617",
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  "record": {
    "abstract": "We investigate the dynamics of a kicked particle in an infinite square well\nundergoing frequent measurements of energy. For a large class of periodic\nkicking force, constant diffusion is found in such a non-KAM system. The\ninfluence of phase shift of the kicking potential on the short-time dynamical\nbehavior is discussed. The general asymptotical measurement-assisted diffusion\nrate is obtained. The entanglement between the particle and the measuring\napparatus is investigated. There exist two distinct dynamical behaviors of\nentanglement. The bipartite entanglement grows with the kicking steps and it\ngains larger value for the more chaotic system. However, the pairwise\nentanglement between the system of interest and the partial spins of the\nmeasuring apparatus decreases with the kicking steps. The relation between the\nentanglement and quantum diffusion is also analyzed.\n  PACS numbers: 05.45.Mt, 03.65.Ta",
    "arxiv_id": "quant-ph/0505049",
    "authors": [
      "Shang-Bin Li",
      "Jing-Bo Xu"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevE.74.046204",
    "journal_ref": "Phys. Rev. E 74, 046204 (2006)",
    "title": "Diffusion and entanglement of a kicked particle in an infinite square   well under frequent measurements",
    "url": "https://arxiv.org/abs/quant-ph/0505049"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "6bba642b-7f4a-4c2c-b802-3a613bc7f7f3",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}