{
  "id": "0802.4102",
  "version": "v1",
  "published": "2008-02-27T22:35:07.000Z",
  "updated": "2008-02-27T22:35:07.000Z",
  "title": "Influence of Landau-level mixing on Wigner crystallization in graphene",
  "authors": [
    "C. -H. Zhang",
    "Yogesh N. Joglekar"
  ],
  "comment": "6 pages, 3 figures",
  "journal": "Phys. Rev. B 77, 205426 (2008).",
  "doi": "10.1103/PhysRevB.77.205426",
  "categories": [
    "cond-mat.mes-hall"
  ],
  "abstract": "Graphene, with its massless linearly-dispersing carriers, in the quantum Hall regime provides an instructive comparison with conventional two-dimensional (2D) systems in which carriers have a nonzero band mass and quadratic dispersion. We investigate the influence of Landau level mixing in graphene on Wigner crystal states in the $n^\\mathrm{th}$ Landau level obtained using single Landau level approximation. We show that the Landau level mixing does not qualitatively change the phase diagram as a function of partial filling factor $\\nu$ in the $n^\\mathrm{th}$ level. We find that the inter-Landau level mixing, quantified by relative occupations of the two Landau levels, $\\rho_{n+1}/\\rho_{n}$, oscillates around 2% and, in general, remains small ($< 4%$) irrespective of the Landau level index $n$. Our results show that the single Landau level approximation is applicable in high Landau levels, even though the energy gap between the adjacent Landau levels vanishes.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2008-02-27T22:35:07.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "73.43.-f",
      "73.20.Qt"
    ],
    "keywords": [
      "wigner crystallization",
      "single landau level approximation",
      "landau-level mixing",
      "landau level mixing",
      "adjacent landau levels vanishes"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "APS",
      "journal": "Physical Review B",
      "year": 2008,
      "month": "May",
      "volume": 77,
      "number": 20,
      "pages": 205426
    },
    "note": {
      "typesetting": "TeX",
      "pages": 6,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2008PhRvB..77t5426Z"
    }
  }
}