{
  "id": "0706.0769",
  "version": "v2",
  "published": "2007-06-06T05:59:52.000Z",
  "updated": "2007-12-04T22:43:24.000Z",
  "title": "Characterization of topological states on a lattice with Chern number",
  "authors": [
    "Mohammad Hafezi",
    "Anders S. Sorensen",
    "Mikhail D. Lukin",
    "Eugene Demler"
  ],
  "comment": "5 pages, 3 figures, V2: changes in the presentation",
  "journal": "EPL 81 No 1 (January 2008) 10005",
  "doi": "10.1209/0295-5075/81/10005",
  "categories": [
    "cond-mat.mes-hall",
    "quant-ph"
  ],
  "abstract": "We study Chern numbers to characterize the ground state of strongly interacting systems on a lattice. This method allows us to perform a numerical characterization of bosonic fractional quantum Hall (FQH) states on a lattice where conventional overlap calculation with known continuum case such as Laughlin state, breaks down due to the lattice structure or dipole-dipole interaction. The non-vanishing Chern number indicates the existence of a topological order in the degenerate ground state manifold.",
  "revisions": [
    {
      "version": "v2",
      "updated": "2007-12-04T22:43:24.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "chern number",
      "topological states",
      "characterization",
      "degenerate ground state manifold",
      "bosonic fractional quantum hall"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "journal": "EPL (Europhysics Letters)",
      "year": 2008,
      "month": "Jan",
      "volume": 81,
      "number": 1,
      "pages": 10005
    },
    "note": {
      "typesetting": "TeX",
      "pages": 5,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2008EL.....8110005H"
    }
  }
}