{
  "id": "cond-mat/0109128",
  "version": "v1",
  "published": "2001-09-06T19:15:19.000Z",
  "updated": "2001-09-06T19:15:19.000Z",
  "title": "The Ising spin glass in a transverse field. Results of two fermionic models",
  "authors": [
    "A Theumann",
    "A A Schmidt",
    "S G Magalhaes"
  ],
  "comment": "15 pages, 2 figures",
  "doi": "10.1016/S0378-4371(02)00810-5",
  "categories": [
    "cond-mat.stat-mech"
  ],
  "abstract": "We analyze the long range Ising spin glass in a transverse field by using Grassmann variables in a field theory where the spin operators are represented by bilinear combinations of fermionic fields. We compare the results of two fermionic models. In the four state (4S)-model the diagonal Sz operator has two vanishing eigenvalues, that are suppressed by a restraint in the two states (2S)-model. Within a replica symmetric theory and in the static approximation we obtain similar results for both models.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2001-09-06T19:15:19.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "transverse field",
      "fermionic models",
      "long range ising spin glass",
      "replica symmetric theory",
      "diagonal sz operator"
    ],
    "tags": [
      "journal article"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 15,
      "language": "en",
      "license": "arXiv",
      "status": "editable"
    }
  }
}