{
  "annotation_id": "9ef125eb-abe4-4045-9ae7-d7c0656c6ca1",
  "date_created": "2026-03-02T18:02:13.799000Z",
  "date_modified": "2026-03-02T18:02:13.799000Z",
  "file_hash": "776354ec6aafa24c3abbce69af6ecee4a7f07ec07e6ed5dd39963f1511ab3f19",
  "private": false,
  "record": {
    "abstract": "We present a scalable scheme to design optimized soft pulses and pulse\nsequences for coherent control of interacting quantum many-body systems. The\nscheme is based on the cluster expansion and the time dependent perturbation\ntheory implemented numerically. This approach offers a dramatic advantage in\nnumerical efficiency, and it is also more convenient than the commonly used\nMagnus expansion, especially when dealing with higher order terms. We\nillustrate the scheme by designing 2nd-order pi-pulses and a 6th-order 8-pulse\nrefocusing sequence for a chain of qubits with nearest-neighbor couplings. We\nalso discuss the performance of soft-pulse refocusing sequences in suppressing\ndecoherence due to low-frequency environment.",
    "arxiv_id": "quant-ph/0502029",
    "authors": [
      "Pinaki Sengupta",
      "Leonid P. Pryadko"
    ],
    "categories": [
      "quant-ph",
      "cond-mat.mes-hall"
    ],
    "doi": "10.1103/PhysRevLett.95.037202",
    "journal_ref": "Phys. Rev. Lett. 95, 037202 (2005)",
    "title": "Scalable design of tailored soft pulses for coherent control",
    "url": "https://arxiv.org/abs/quant-ph/0502029"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "4167ea8d-61c9-4301-a848-5408541b2c8e",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}