{
  "annotation_id": "9464fcf7-293c-42ae-bbfc-59f3ed3c31ff",
  "date_created": "2026-03-02T18:02:19.837000Z",
  "date_modified": "2026-03-02T18:02:19.837000Z",
  "file_hash": "f812c311319d152a43e021a4a3508e9a0d5d812b194ce20725e493ee05484906",
  "private": false,
  "record": {
    "abstract": "Two measures of entanglement, negativity and concurrence are studied for two\narbitrary qudits. We obtain negativity as an expectation value of an operator.\nThe differences of the squares of negativity and concurrence are invariants of\nmultilevel entanglement. Explicit results for qutrits and quadrits are\nobtained.",
    "arxiv_id": "quant-ph/0508045",
    "authors": [
      "Suranjana Rai",
      "Jagdish R. Luthra"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "Negativity and Concurrence as complete entanglement measures for two   arbitrary qudits",
    "url": "https://arxiv.org/abs/quant-ph/0508045"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "db93e807-d454-4950-85e8-80b561265da5",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}