{
  "id": "cond-mat/9904061",
  "version": "v2",
  "published": "1999-04-05T17:46:32.000Z",
  "updated": "2001-01-24T17:41:06.000Z",
  "title": "Nondissipative Drag Conductance as a Topological Quantum Number",
  "authors": [
    "Kun Yang",
    "A. H. MacDonald"
  ],
  "comment": "4 pages, no figure. Title modified and significant revision made to the text. Final version appeared in PRB",
  "journal": "Phys. Rev. B 63, 073301 (2001).",
  "doi": "10.1103/PhysRevB.63.073301",
  "categories": [
    "cond-mat.mes-hall",
    "cond-mat.str-el"
  ],
  "abstract": "We show in this paper that the boundary condition averaged nondissipative drag conductance of two coupled mesoscopic rings with no tunneling, evaluated in a particular many-particle eigenstate, is a topological invariant characterized by a Chern integer. Physical implications of this observation are discussed.",
  "revisions": [
    {
      "version": "v2",
      "updated": "2001-01-24T17:41:06.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "topological quantum number",
      "boundary condition averaged nondissipative drag",
      "condition averaged nondissipative drag conductance",
      "coupled mesoscopic rings",
      "many-particle eigenstate"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "APS",
      "journal": "Phys. Rev. B"
    },
    "note": {
      "typesetting": "TeX",
      "pages": 4,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}