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Effective field investigation of dynamic phase transitions for site diluted Ising ferromagnets driven by a periodically oscillating magnetic field

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Author Info

  • Akıncı, Ümit
  • Yüksel, Yusuf
  • Vatansever, Erol
  • Polat, Hamza
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    Abstract

    Dynamic behavior of a site diluted Ising ferromagnet in the presence of a periodically oscillating magnetic field has been analyzed by means of the effective field theory (EFT). The dynamic equation of motion has been solved for a honeycomb lattice (z=3) with the help of a Glauber type stochastic process. The global phase diagrams and the variation of the corresponding dynamic order parameter as a function of the Hamiltonian parameters and temperature has been investigated in detail and it has been shown that the system exhibits reentrant phenomena, as well as a dynamic tricritical point which disappears for sufficiently weak dilution.

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    File URL: http://www.sciencedirect.com/science/article/pii/S0378437112006206
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    Bibliographic Info

    Article provided by Elsevier in its journal Physica A: Statistical Mechanics and its Applications.

    Volume (Year): 391 (2012)
    Issue (Month): 23 ()
    Pages: 5810-5817

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    Handle: RePEc:eee:phsmap:v:391:y:2012:i:23:p:5810-5817

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    Web page: http://www.journals.elsevier.com/physica-a-statistical-mechpplications/

    Related research

    Keywords: Effective field theory; Dynamic phase transition; Dynamic phase diagrams; Quenched disorder;

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