{
  "annotation_id": "8a762946-9c0b-4c54-b33a-66f30234a614",
  "date_created": "2026-03-02T18:02:34.528000Z",
  "date_modified": "2026-03-02T18:02:34.528000Z",
  "file_hash": "8ea97cff0cf0c315aac55ed45a6533a6cfda5cbfaaa6c21b335bd877022dcdaa",
  "private": false,
  "record": {
    "abstract": "We present a method for performing quantum state reconstruction on qubits and\nqubit registers in the presence of decoherence and inhomogeneous broadening.\nThe method assumes only rudimentary single qubit rotations as well as knowledge\nof decoherence and loss mechanisms. We show that full state reconstruction is\npossible even in the case where single qubit rotations may only be performed\nimperfectly. Furthermore we show that for ensemble quantum computing proposals,\nquantum state reconstruction is possible even if the ensemble experiences\ninhomogeneous broadening and if only imperfect qubit manipulations are\navailable during state preparation and reconstruction.",
    "arxiv_id": "quant-ph/0701140",
    "authors": [
      "Karl Tordrup",
      "Klaus M\u00f8lmer"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.75.042318",
    "title": "Quantum state reconstruction with imperfect rotations on an   inhomogeneously broadened ensemble of qubits",
    "url": "https://arxiv.org/abs/quant-ph/0701140"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "cd9fda0f-fdda-427e-bf2b-cbd6c6a8b433",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}