{
  "id": "1410.2791",
  "version": "v2",
  "published": "2014-10-09T18:07:32.000Z",
  "updated": "2015-04-10T14:43:00.000Z",
  "title": "Measurement of the Berry Phase in a Single Solid-State Spin Qubit",
  "authors": [
    "Kai Zhang",
    "Naufer M. Nusran",
    "Bradley R. Slezak",
    "M. V. Gurudev Dutt"
  ],
  "categories": [
    "cond-mat.mes-hall",
    "quant-ph"
  ],
  "abstract": "We present measurements of the Berry Phase in a single solid-state spin qubit associated with the nitrogen-vacancy center in diamond. Our results demonstrate the remarkable degree of coherent control achievable in the presence of a highly complex solid-state environment. We manipulate the spin qubit geometrically by careful application of microwave radiation that creates an effective rotating magnetic field, and observe the resulting phase via spin-echo interferometry. We find good agreement with Berry's predictions within experimental errors. We also investigated the role of the environment on the geometric phase, and observed that unlike other solid-state qubit systems, the dephasing was primarily dominated by fast radial fluctuations in the path.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2014-10-09T18:07:32.000Z",
      "comment": null,
      "journal": null,
      "doi": null
    },
    {
      "version": "v2",
      "updated": "2015-04-10T14:43:00.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "berry phase",
      "measurement",
      "single solid-state spin qubit",
      "fast radial fluctuations",
      "solid-state qubit systems"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 0,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2014arXiv1410.2791Z"
    }
  }
}