{
  "annotation_id": "5f4a423b-5b89-4b4b-befb-576c3082f50c",
  "date_created": "2026-03-02T18:02:06.865000Z",
  "date_modified": "2026-03-02T18:02:06.865000Z",
  "file_hash": "eff237ad5c2b746236c82c26c33883b703bdfb6a508861d62d327351b04b1932",
  "private": false,
  "record": {
    "abstract": "We study dynamical semigroups of positive, but not completely positive maps\non finite-dimensional bipartite systems and analyze properties of their\ngenerators in relation to non-decomposability and bound-entanglement. An\nexample of non-decomposable semigroup leading to a 4x4-dimensional\nbound-entangled density matrix is explicitly obtained.",
    "arxiv_id": "quant-ph/0401146",
    "authors": [
      "F. Benatti",
      "R. Floreanini",
      "M. Piani"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1016/j.physleta.2004.04.046",
    "title": "Quantum dynamical semigroups and non-decomposable positive maps",
    "url": "https://arxiv.org/abs/quant-ph/0401146"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "760b3881-737a-4e91-9a75-226e9ba252da",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}