{
  "annotation_id": "2f043dfc-d920-449e-8465-70c746057138",
  "date_created": "2026-03-02T18:02:10.277000Z",
  "date_modified": "2026-03-02T18:02:10.277000Z",
  "file_hash": "3833767be8d0775e2d3ba96745e2af88403b6d90382dc2860d045f4c5d2c20a7",
  "private": false,
  "record": {
    "abstract": "Systematic errors in quantum operations can be the dominating source of\nimperfection in achieving control over quantum systems. This problem, which has\nbeen well studied in nuclear magnetic resonance, can be addressed by replacing\nsingle operations with composite sequences of pulsed operations, which cause\nerrors to cancel by symmetry. Remarkably, this can be achieved without\nknowledge of the amount of error epsilon. Independent of the initial state of\nthe system, current techniques allow the error to be reduced to O(epsilon^3).\nHere, we extend the composite pulse technique to cancel errors to O(epsilon^n),\nfor arbitrary n.",
    "arxiv_id": "quant-ph/0407022",
    "authors": [
      "Kenneth Brown",
      "Aram Harrow",
      "Isaac Chuang"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1103/PhysRevA.70.052318",
    "journal_ref": "Phys. Rev. A 70, 052318 (2004)",
    "title": "Arbitrarily accurate composite pulses",
    "url": "https://arxiv.org/abs/quant-ph/0407022"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "7e937848-d722-458b-b057-3471ae07596e",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}