{
  "annotation_id": "6bc4960b-8b30-4516-8b1c-985d9329d32d",
  "date_created": "2026-03-02T18:01:46.137000Z",
  "date_modified": "2026-03-02T18:01:46.137000Z",
  "file_hash": "aa8b3479c82a083e4e981c84edc4a04db54ecfd23d9ae8d26be5f2d1753c32f0",
  "private": false,
  "record": {
    "abstract": "Time evolution of entanglement of N quantum dots is analyzed within the\nspin-1/2 van der Waals (or Lipkin-Meshkov-Glick) XY model. It is shown that,\nfor a single dot initially excited and disentangled from the remaining\nunexcited dots, the maximum bipartite entanglement can be obtained in the\nsystems of N=2,...,6 dots only.",
    "arxiv_id": "quant-ph/0109144",
    "authors": [
      "A. Miranowicz",
      "S. K. Ozdemir",
      "M. Koashi",
      "N. Imoto",
      "Y. Hirayama"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "Maximum entanglement of quantum-dot systems with single excitation in   the spin van der Waals model",
    "url": "https://arxiv.org/abs/quant-ph/0109144"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "bc011199-1804-49c2-8130-2d46ce0f9ab7",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}