{
  "id": "1008.0650",
  "version": "v1",
  "published": "2010-08-03T20:11:49.000Z",
  "updated": "2010-08-03T20:11:49.000Z",
  "title": "Fractional quantum Hall effects in bilayers in the presence of inter-layer tunneling and charge imbalance",
  "authors": [
    "Michael R. Peterson",
    "Z. Papic",
    "S. Das Sarma"
  ],
  "comment": "25 pages, 27 figures",
  "journal": "Physical Review B 82, 235312 (2010)",
  "doi": "10.1103/PhysRevB.82.235312",
  "categories": [
    "cond-mat.mes-hall"
  ],
  "abstract": "Two-component fractional quantum Hall systems are providing a major motivation for a large section of the physics community. Here we study two-component fractional quantum Hall systems in the spin-polarized half-filled lowest Landau level (filling factor 1/2) and second Landau level (filling factor 5/2) with exact diagonalization utilizing both the spherical and torus geometries. The two distinct two-component systems we consider are the true bilayer and effective bilayers (wide-quantum-well). In each model (bilayer and wide-quantum-well) we completely take into account inter-layer tunneling and charge imbalancing terms. We find that in the half-filled lowest Landau level, the FQHE is described by the two-component Abelian Halperin 331 state which is remarkably robust to charge imbalancing. In the half-filled second Landau, we find that the FQHE is likely described by the non-Abelian Moore-Read Pfaffian state which is also quite robust to charge imbalancing. Furthermore, we suggest the possibility of experimentally tuning from an Abelian to non-Abelian FQHE state in the second Landau level, and comment on recent experimental studies of FQHE in wide quantum well structures.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2010-08-03T20:11:49.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "73.43.-f",
      "71.10.Pm"
    ],
    "keywords": [
      "fractional quantum hall effects",
      "half-filled lowest landau level",
      "two-component fractional quantum hall systems",
      "charge imbalance",
      "inter-layer tunneling"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "APS",
      "journal": "Physical Review B",
      "year": 2010,
      "month": "Dec",
      "volume": 82,
      "number": 23,
      "pages": 235312
    },
    "note": {
      "typesetting": "TeX",
      "pages": 25,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2010PhRvB..82w5312P"
    }
  }
}