{
  "annotation_id": "0cad343d-b5a6-4920-a0ac-29d004838a65",
  "date_created": "2026-03-02T18:02:09.392000Z",
  "date_modified": "2026-03-02T18:02:09.392000Z",
  "file_hash": "ecc310d4327a0153ff147a9d708491ba0c7a94c59c6fc20f5e3119349f0f6f0f",
  "private": false,
  "record": {
    "abstract": "The entanglement dynamics of spin chains is investigated using Heisenberg-XY\nspin Hamiltonian dynamics. The various measures of two-qubit entanglement are\ncalculated analytically in the time-evolved state starting from initial states\nwith no entanglement and exactly one pair of maximally-entangled qubits. The\nlocalizable entanglement between a pair of qubits at the end of chain captures\nthe essential features of entanglement transport across the chain, and it\ndisplays the difference between an initial state with no entanglement and an\ninitial state with one pair of maximally-entangled qubits.",
    "arxiv_id": "quant-ph/0409048",
    "authors": [
      "V. Subrahmanyam",
      "Arul Lakshminarayan"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1016/j.physleta.2005.09.021",
    "journal_ref": "Phys. Lett. A, vol. 349, pg. 164 (2006)",
    "title": "Transport of Entanglement Through a Heisenberg-XY Spin Chain",
    "url": "https://arxiv.org/abs/quant-ph/0409048"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "97e2df43-0864-4007-bebf-42f456b3a0e4",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}