{
  "id": "1202.6300",
  "version": "v2",
  "published": "2012-02-28T17:42:08.000Z",
  "updated": "2012-07-04T23:06:31.000Z",
  "title": "Chargeless heat transport in the fractional quantum Hall regime",
  "authors": [
    "C. Altimiras",
    "H. le Sueur",
    "U. Gennser",
    "A. Anthore",
    "A. Cavanna",
    "D. Mailly",
    "F. Pierre"
  ],
  "comment": "Manuscript (5 pages, 3 figures) and supplementary material (8 pages, 9 figures); v2 includes additional supplementary material and references; to be published in Phys. Rev. Lett",
  "journal": "Phys. Rev. Lett. 109, 026803 (2012)",
  "doi": "10.1103/PhysRevLett.109.026803",
  "categories": [
    "cond-mat.mes-hall"
  ],
  "abstract": "We demonstrate a direct approach to investigate heat transport in the fractional quantum Hall regime. At filling factor of 4/3, we inject power at quantum point contacts and detect the related heating from the activated current through a quantum dot. The experiment reveals a chargeless heat transport from a significant heating that occurs upstream of the power injection point, in the absence of a concomitant electrical current. By tuning in-situ the edge path, we show that the chargeless heat transport does not follow the reverse direction of the electrical current path along the edge. This unexpected heat conduction demonstrates a novel aspect, yet to be elucidated, of the physics in fractional quantum Hall systems.",
  "revisions": [
    {
      "version": "v2",
      "updated": "2012-07-04T23:06:31.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "73.43.Fj",
      "73.43.Lp",
      "73.23.Hk"
    ],
    "keywords": [
      "fractional quantum hall regime",
      "chargeless heat transport",
      "fractional quantum hall systems",
      "unexpected heat conduction demonstrates",
      "electrical current"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "APS",
      "journal": "Physical Review Letters",
      "year": 2012,
      "month": "Jul",
      "volume": 109,
      "number": 2,
      "pages": "026803"
    },
    "note": {
      "typesetting": "TeX",
      "pages": 5,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2012PhRvL.109b6803A"
    }
  }
}