{
  "id": "1904.09065",
  "version": "v1",
  "published": "2019-04-19T03:56:25.000Z",
  "updated": "2019-04-19T03:56:25.000Z",
  "title": "Experimental observation of dynamical bulk-surface correspondence for topological phases",
  "authors": [
    "Ya Wang",
    "Wentao Ji",
    "Zihua Chai",
    "Yuhang Guo",
    "Mengqi Wang",
    "Xiangyu Ye",
    "Pei Yu",
    "Long Zhang",
    "Xi Qin",
    "Pengfei Wang",
    "Fazhan Shi",
    "Xing Rong",
    "Dawei Lu",
    "Xiong-Jun Liu",
    "Jiangfeng Du"
  ],
  "comment": "6 pages, 4 figures",
  "categories": [
    "cond-mat.mes-hall",
    "quant-ph"
  ],
  "abstract": "We experimentally demonstrate a dynamical classification approach for investigation of topological quantum phases using a solid-state spin system through nitrogen-vacancy (NV) center in diamond. Similar to the bulkboundary correspondence in real space at equilibrium, we observe a dynamical bulk-surface correspondence in the momentum space from a dynamical quench process. An emergent dynamical topological invariant is precisely measured in experiment by imaging the dynamical spin-textures on the recently defined band-inversion surfaces, with high topological numbers being implemented. Importantly, the dynamical classification approach is shown to be independent of quench ways and robust to the decoherence effects, offering a novel and practical strategy for dynamical topology characterization, especially for high dimensional gapped topological phases.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2019-04-19T03:56:25.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "dynamical bulk-surface correspondence",
      "experimental observation",
      "dynamical classification approach",
      "solid-state spin system",
      "high dimensional gapped topological phases"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 6,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}