{
  "id": "1111.2129",
  "version": "v4",
  "published": "2011-11-09T08:34:45.000Z",
  "updated": "2014-07-16T20:11:02.000Z",
  "title": "Majorana fermions in superconducting nanowires without spin-orbit coupling",
  "authors": [
    "Morten Kjaergaard",
    "Konrad Wölms",
    "Karsten Flensberg"
  ],
  "comment": "Fig. 2 corrected",
  "journal": "Phys. Rev. B 85, 020503(R) (2012)",
  "doi": "10.1103/PhysRevB.85.020503",
  "categories": [
    "cond-mat.mes-hall"
  ],
  "abstract": "We show that confined Majorana fermions can exist in nanowires with proximity induced s-wave superconducting pairing if the direction of an external magnetic field rotates along the wire. The system is equivalent to nanowires with Rashba-type spin-orbit coupling, with strength proportional to the derivative of the field angle. For realistic parameters, we demonstrate that a set of permanent magnets can bring a nearby nanowire into the topologically non-trivial phase with localized Majorana modes at its ends. Without the requirement of spin-orbit coupling this opens up for a new route for demonstration and design of Majorana fermion systems.",
  "revisions": [
    {
      "version": "v4",
      "updated": "2014-07-16T20:11:02.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "73.63.Nm",
      "74.78.Na",
      "74.78.Fk"
    ],
    "keywords": [
      "spin-orbit coupling",
      "superconducting nanowires",
      "external magnetic field rotates",
      "induced s-wave superconducting pairing",
      "majorana fermion systems"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "APS",
      "journal": "Physical Review B",
      "year": 2012,
      "month": "Jan",
      "volume": 85,
      "number": 2,
      "pages": "020503"
    },
    "note": {
      "typesetting": "TeX",
      "pages": 0,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 1121471,
      "adsabs": "2012PhRvB..85b0503K"
    }
  }
}