{
  "id": "cond-mat/0412062",
  "version": "v1",
  "published": "2004-12-02T16:55:19.000Z",
  "updated": "2004-12-02T16:55:19.000Z",
  "title": "Integral representation of the density matrix of the XXZ chain at finite temperatures",
  "authors": [
    "Frank Göhmann",
    "Andreas Klümper",
    "Alexander Seel"
  ],
  "comment": "12 pages, Latex",
  "journal": "J.Phys. A38 (2005) 1833-1842",
  "doi": "10.1088/0305-4470/38/9/001",
  "categories": [
    "cond-mat.stat-mech",
    "hep-th"
  ],
  "abstract": "We present an integral formula for the density matrix of a finite segment of the infinitely long spin-1/2 XXZ chain. This formula is valid for any temperature and any longitudinal magnetic field.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2004-12-02T16:55:19.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "75.10.Pq",
      "05.30.-d"
    ],
    "keywords": [
      "xxz chain",
      "density matrix",
      "finite temperatures",
      "integral representation",
      "longitudinal magnetic field"
    ],
    "tags": [
      "journal article"
    ],
    "note": {
      "typesetting": "LaTeX",
      "pages": 12,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "inspire": 666437
    }
  }
}