{
  "id": "0711.0856",
  "version": "v1",
  "published": "2007-11-06T13:48:32.000Z",
  "updated": "2007-11-06T13:48:32.000Z",
  "title": "First order transition in a three dimensional disordered system",
  "authors": [
    "L. A. Fernandez",
    "A. Gordillo-Guerrero",
    "V. Martin-Mayor",
    "J. J. Ruiz-Lorenzo"
  ],
  "comment": "4 pages, 4 color figures",
  "journal": "Phys. Rev. Lett. 100, 057201 (2008)",
  "doi": "10.1103/PhysRevLett.100.057201",
  "categories": [
    "cond-mat.stat-mech",
    "cond-mat.dis-nn"
  ],
  "abstract": "We present the first detailed numerical study in three dimensions of a first-order phase transition that remains first-order in the presence of quenched disorder (specifically, the ferromagnetic/paramagnetic transition of the site-diluted four states Potts model). A tricritical point, which lies surprisingly near to the pure-system limit and is studied by means of Finite-Size Scaling, separates the first-order and second-order parts of the critical line. This investigation has been made possible by a new definition of the disorder average that avoids the diverging-variance probability distributions that plague the standard approach. Entropy, rather than free energy, is the basic object in this approach that exploits a recently introduced microcanonical Monte Carlo method.",
  "revisions": [
    {
      "version": "v1",
      "updated": "2007-11-06T13:48:32.000Z"
    }
  ],
  "analyses": {
    "subjects": [
      "75.40.Mg",
      "05.50.+q",
      "75.40.Cx",
      "75.50.Lk"
    ],
    "keywords": [
      "first order transition",
      "dimensional disordered system",
      "first-order phase transition",
      "states potts model",
      "diverging-variance probability distributions"
    ],
    "tags": [
      "journal article"
    ],
    "publication": {
      "publisher": "APS",
      "journal": "Physical Review Letters",
      "year": 2008,
      "month": "Feb",
      "volume": 100,
      "number": 5,
      "pages": "057201"
    },
    "note": {
      "typesetting": "TeX",
      "pages": 4,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2008PhRvL.100e7201F"
    }
  }
}