{
  "id": "cond-mat/0612542",
  "version": "v1",
  "published": "2006-12-21T04:32:28.000Z",
  "updated": "2006-12-21T04:32:28.000Z",
  "title": "Deduction of Pure Spin Current from Spin Linear and Circular Photogalvanic Effect in Semiconductor Quantum Wells",
  "authors": [
    "Bin Zhou",
    "Shun-Qing Shen"
  ],
  "journal": "Phys.Rev.B 75,045339 (2007)",
  "doi": "10.1103/PhysRevB.75.045339",
  "categories": [
    "cond-mat.mes-hall"
  ],
  "abstract": "We study the spin photogalvanic effect in two-dimensional electron system with structure inversion asymmetry by means of the solution of semiconductor optical Bloch equations. It is shown that a linearly polarized light may inject a pure spin current in spin-splitting conduction bands due to Rashba spin-orbit coupling, while a circularly polarized light may inject spin-dependent photocurrent. We establish an explicit relation between the photocurrent by oblique incidence of a circularly polarized light and the pure spin current by normal incidence of a linearly polarized light such that we can deduce the amplitude of spin current from the measured spin photocurrent experimentally. This method may provide a source of spin current to study spin transport in semiconductors quantitatively.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2006-12-21T04:32:28.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "pure spin current",
      "circular photogalvanic effect",
      "semiconductor quantum wells",
      "spin linear",
      "circularly polarized light"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "APS",
      "journal": "Phys. Rev. B"
    },
    "note": {
      "typesetting": "TeX",
      "pages": 0,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}