{
  "id": "1304.1685",
  "version": "v1",
  "published": "2013-04-05T11:43:45.000Z",
  "updated": "2013-04-05T11:43:45.000Z",
  "title": "Proposal for the detection and braiding of Majorana fermions in a quantum spin Hall insulator",
  "authors": [
    "Shuo Mi",
    "D. I. Pikulin",
    "M. Wimmer",
    "C. W. J. Beenakker"
  ],
  "comment": "6 pages, 4 figures",
  "journal": "Phys. Rev. B 87, 241405(R) (2013)",
  "doi": "10.1103/PhysRevB.87.241405",
  "categories": [
    "cond-mat.mes-hall",
    "cond-mat.supr-con"
  ],
  "abstract": "We show how a quantum dot with a ballistic single-channel point contact to a superconductor can be created by means of a gate electrode at the edge of a quantum spin Hall insulator (such as an InAs/GaSb quantum well). A weak perpendicular magnetic field traps a Majorana zero-mode, so that it can be observed in the gate-voltage-averaged differential conductance <dI/dV> as a 4e^2/h zero-bias peak above a (2/3{\\pi}^2 - 4)e^2/h background. The one-dimensional edge does not permit the braiding of pairs of Majorana fermions, but this obstacle can be overcome by coupling opposite edges at a constriction, allowing for a demonstration of non-Abelian statistics.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2013-04-05T11:43:45.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "71.10.Pm",
      "74.45.+c",
      "74.78.Fk",
      "74.78.Na"
    ],
    "keywords": [
      "quantum spin hall insulator",
      "majorana fermions",
      "weak perpendicular magnetic field traps",
      "ballistic single-channel point contact"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "APS",
      "journal": "Physical Review B",
      "year": 2013,
      "month": "Jun",
      "volume": 87,
      "number": 24,
      "pages": 241405
    },
    "note": {
      "typesetting": "TeX",
      "pages": 6,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2013PhRvB..87x1405M"
    }
  }
}