{
  "annotation_id": "7c4c2d01-6429-4c11-9d9e-2ee0039555a9",
  "date_created": "2026-03-02T18:02:06.938000Z",
  "date_modified": "2026-03-02T18:02:06.938000Z",
  "file_hash": "78a2e1ae0b4afdab0f43519f460e160f92055a88f85e8c976255f452c629fca2",
  "private": false,
  "record": {
    "abstract": "The partial separability of multipartite qubit density matrixes is strictly\ndefined. We give a reduction way from N-partite qubit density matrixes to\nbipartite qubit density matrixes, and prove a necessary condition that a\nN-partite qubit density matrix to be partially separable is its reduced density\nmatrix to satisfy PPT condition.",
    "arxiv_id": "quant-ph/0403173",
    "authors": [
      "Zai-Zhe Zhong"
    ],
    "categories": [
      "quant-ph"
    ],
    "title": "Reduction of multipartite qubit density matrixes to bipartite qubit   density matrixes and criteria of partial separability of multipartite qubit   density matrixes",
    "url": "https://arxiv.org/abs/quant-ph/0403173"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "3d2f50bd-ba68-4486-a949-a27676ed6157",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}