{
  "id": "cond-mat/0703323",
  "version": "v2",
  "published": "2007-03-13T04:01:44.000Z",
  "updated": "2007-04-16T01:10:08.000Z",
  "title": "0.4 and 0.7 conductance anomalies in quantum point contacts",
  "authors": [
    "A. M. Bychkov",
    "T. M. Stace"
  ],
  "comment": "9 pages, to appear in Nanotechnology",
  "journal": "Nanotechnology 18 (2007) 185403",
  "doi": "10.1088/0957-4484/18/18/185403",
  "categories": [
    "cond-mat.mes-hall"
  ],
  "abstract": "Self-consistent modelling based on local spin-density formalism is employed to calculate conductance of quantum point contacts at finite temperatures. The total electrostatic potential exhibits spin-dependent splitting, which persists at temperatures up to 0.5 K and gives rise to the anomalies at 0.4 and 0.7 of the conductance quantum $2e^2/h$ occurring simultaneously in the absence of external magnetic fields.",
  "revisions": [
    {
      "version": "v2",
      "updated": "2007-04-16T01:10:08.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "quantum point contacts",
      "conductance anomalies",
      "external magnetic fields",
      "local spin-density formalism",
      "total electrostatic potential"
    ],
    "tags": [
      "journal article"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 9,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2007cond.mat..3323B"
    }
  }
}