{
  "annotation_id": "613d4690-87ad-47ac-8c21-1dc8f5f821f0",
  "date_created": "2026-03-02T18:02:47.315000Z",
  "date_modified": "2026-03-02T18:02:47.315000Z",
  "file_hash": "5ba8a75885f7bd5386e72e609d657a03774872b4f2df0762db9feb6fb08be9a8",
  "private": false,
  "record": {
    "abstract": "The use of spin echoes to refocus one spin interactions (chemical shifts) and\ntwo spin interactions (spin-spin couplings) plays a central role in both\nconventional NMR experiments and NMR quantum computation. Here we describe\nschemes for efficient refocussing of such interactions in both fully and\npartially coupled spin systems.",
    "arxiv_id": "quant-ph/9905008",
    "authors": [
      "J. A. Jones",
      "E. Knill"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1006/jmre.1999.1890",
    "journal_ref": "J.Magn.Resonance 141 (1999) 322-325",
    "title": "Efficient Refocussing of One Spin and Two Spin Interactions for NMR   Quantum Computation",
    "url": "https://arxiv.org/abs/quant-ph/9905008"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "cfcefb23-102c-49b4-81ce-245f57d1eb04",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}