1 Ocak 2010 Dergi makalesi Açık Erişim

Malakis, A.; Berker, A. Nihat; Hadjiagapiou, I. A.; Fytas, N. G.; Papakonstantinou, T.

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  "@id": 92945, 
  "@type": "ScholarlyArticle", 
  "creator": [
    {
      "@type": "Person", 
      "affiliation": "Univ Athens, Sect Solid State Phys, Dept Phys, GR-15784 Athens, Greece", 
      "name": "Malakis, A."
    }, 
    {
      "@type": "Person", 
      "name": "Berker, A. Nihat"
    }, 
    {
      "@type": "Person", 
      "affiliation": "Univ Athens, Sect Solid State Phys, Dept Phys, GR-15784 Athens, Greece", 
      "name": "Hadjiagapiou, I. A."
    }, 
    {
      "@type": "Person", 
      "affiliation": "Univ Athens, Sect Solid State Phys, Dept Phys, GR-15784 Athens, Greece", 
      "name": "Fytas, N. G."
    }, 
    {
      "@type": "Person", 
      "affiliation": "Univ Athens, Sect Solid State Phys, Dept Phys, GR-15784 Athens, Greece", 
      "name": "Papakonstantinou, T."
    }
  ], 
  "datePublished": "2010-01-01", 
  "description": "The effects of bond randomness on the ground-state structure, phase diagram and critical behavior of the square lattice ferromagnetic Blume-Capel (BC) model are discussed. The calculation of ground states at strong disorder and large values of the crystal field is carried out by mapping the system onto a network and we search for a minimum cut by a maximum flow method. At finite temperatures the system is studied by an efficient two-stage Wang-Landau (WL) method for several values of the crystal field, including both the first- and second-order phase transition regimes of the pure model. We attempt to explain the enhancement of ferromagnetic order and we discuss the critical behavior of the random-bond model. Our results provide evidence for a strong violation of universality along the second-order phase transition line of the random-bond version. (C) 2010 Elsevier B.V. All rights reserved.", 
  "headline": "Uncovering the secrets of the 2D random-bond Blume-Capel model", 
  "identifier": 92945, 
  "image": "https://aperta.ulakbim.gov.tr/static/img/logo/aperta_logo_with_icon.svg", 
  "license": "http://www.opendefinition.org/licenses/cc-by", 
  "name": "Uncovering the secrets of the 2D random-bond Blume-Capel model", 
  "url": "https://aperta.ulakbim.gov.tr/record/92945"
}