{
  "id": "cond-mat/0308371",
  "version": "v1",
  "published": "2003-08-19T12:12:07.000Z",
  "updated": "2003-08-19T12:12:07.000Z",
  "title": "New Insights into the Plateau-Insulator Transition in the Quantum Hall Regime",
  "authors": [
    "L. A. Ponomarenko",
    "D. T. N. de Lang",
    "A. de Visser",
    "D. Maude",
    "B. N. Zvonkov",
    "R. A. Lunin",
    "A. M. M. Pruisken"
  ],
  "comment": "accepted proceedings of EP2DS-15 (to be published in Physica E)",
  "journal": "Physica E 22 (2004) 236",
  "doi": "10.1016/j.physe.2003.11.257",
  "categories": [
    "cond-mat.mes-hall"
  ],
  "abstract": "We have measured the quantum critical behavior of the plateau-insulator (PI) transition in a low-mobility InGaAs/GaAs quantum well. The longitudinal resistivity measured for two different values of the electron density follows an exponential law, from which we extract critical exponents kappa = 0.54 and 0.58, in good agreement with the value (kappa = 0.57) previously obtained for an InGaAs/InP heterostructure. This provides evidence for a non-Fermi liquid critical exponent. By reversing the direction of the magnetic field we find that the averaged Hall resistance remains quantized at the plateau value h/e^2 through the PI transition. From the deviations of the Hall resistance from the quantized value, we obtain the corrections to scaling.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2003-08-19T12:12:07.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "quantum hall regime",
      "plateau-insulator transition",
      "hall resistance remains",
      "extract critical exponents kappa",
      "non-fermi liquid critical exponent"
    ],
    "tags": [
      "journal article"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 0,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}