1 Ocak 2010 Dergi makalesi Açık Erişim

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

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/92945</identifier>
  <creators>
    <creator>
      <creatorName>Malakis, A.</creatorName>
      <givenName>A.</givenName>
      <familyName>Malakis</familyName>
      <affiliation>Univ Athens, Sect Solid State Phys, Dept Phys, GR-15784 Athens, Greece</affiliation>
    </creator>
    <creator>
      <creatorName>Berker, A. Nihat</creatorName>
      <givenName>A. Nihat</givenName>
      <familyName>Berker</familyName>
    </creator>
    <creator>
      <creatorName>Hadjiagapiou, I. A.</creatorName>
      <givenName>I. A.</givenName>
      <familyName>Hadjiagapiou</familyName>
      <affiliation>Univ Athens, Sect Solid State Phys, Dept Phys, GR-15784 Athens, Greece</affiliation>
    </creator>
    <creator>
      <creatorName>Fytas, N. G.</creatorName>
      <givenName>N. G.</givenName>
      <familyName>Fytas</familyName>
      <affiliation>Univ Athens, Sect Solid State Phys, Dept Phys, GR-15784 Athens, Greece</affiliation>
    </creator>
    <creator>
      <creatorName>Papakonstantinou, T.</creatorName>
      <givenName>T.</givenName>
      <familyName>Papakonstantinou</familyName>
      <affiliation>Univ Athens, Sect Solid State Phys, Dept Phys, GR-15784 Athens, Greece</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Uncovering The Secrets Of The 2D Random-Bond Blume-Capel Model</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2010</publicationYear>
  <dates>
    <date dateType="Issued">2010-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/92945</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1016/j.physa.2009.12.064</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">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.</description>
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