{
  "id": "0710.5240",
  "version": "v2",
  "published": "2007-10-27T16:10:18.000Z",
  "updated": "2008-02-19T16:49:46.000Z",
  "title": "Spintronics with NSN Junction of one-dimensional quantum wires : A study of Pure Spin Current and Magnetoresistance",
  "authors": [
    "Sourin Das",
    "Sumathi Rao",
    "Arijit Saha"
  ],
  "comment": "Final version to appear in Euro. Phys. Lett",
  "journal": "Europhys. Lett. 81, 67001 (2008)",
  "doi": "10.1209/0295-5075/81/67001",
  "categories": [
    "cond-mat.mes-hall"
  ],
  "abstract": "We demonstrate possible scenarios for production of pure spin current and large tunnelling magnetoresistance ratios from elastic co-tunnelling and crossed Andreev reflection across a superconducting junction comprising of normal metal-superconductor-normal metal, where, the normal metal is a one-dimensional interacting quantum wire. We show that there are fixed points in the theory which correspond to the case of pure spin current. We analyze the influence of electron-electron interaction and see how it stabilizes or de-stabilizes the production of pure spin current. These fixed points can be of direct experimental relevance for spintronics application of normal metal-superconductor-normal metal junctions of one-dimensional quantum wires. We also calculate the power law temperature dependence of the crossed Andreev reflection enhanced tunnelling magnetoresistance ratio for the normal metal-superconductor-normal metal junction.",
  "revisions": [
    {
      "version": "v2",
      "updated": "2008-02-19T16:49:46.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "pure spin current",
      "one-dimensional quantum wires",
      "nsn junction",
      "normal metal-superconductor-normal metal junction",
      "enhanced tunnelling magnetoresistance ratio"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "journal": "EPL (Europhysics Letters)",
      "year": 2008,
      "month": "Mar",
      "volume": 81,
      "number": 6,
      "pages": 67001
    },
    "note": {
      "typesetting": "TeX",
      "pages": 0,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2008EL.....8167001D"
    }
  }
}