{
  "id": "cond-mat/0411562",
  "version": "v1",
  "published": "2004-11-22T20:28:48.000Z",
  "updated": "2004-11-22T20:28:48.000Z",
  "title": "Spin current through a tunnel junction",
  "authors": [
    "Matthias Braun",
    "Jürgen König",
    "Jan Martinek"
  ],
  "comment": "5 pages, 1 figure, submitted to Superlattices and Microstructures",
  "journal": "Superlattices and Microstructures 37 (2005) p333-336",
  "doi": "10.1016/j.spmi.2004.11.005",
  "categories": [
    "cond-mat.mes-hall"
  ],
  "abstract": "We derive an expression for the spin-current through a tunnel barrier in terms of many-body Green's functions. The spin current has two contributions. One can be associated with angular-momentum transfer by spin-polarized charge currents crossing the junction. If there are magnetic moments on both sides of the tunnel junction, due to spin accumulation or ferromagnetic ordering, then there is a second contribution related to the exchange coupling between the moments.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2004-11-22T20:28:48.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "tunnel junction",
      "spin current",
      "many-body greens functions",
      "tunnel barrier",
      "magnetic moments"
    ],
    "tags": [
      "journal article"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 5,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}