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

Ümit Akıncı, Yusuf Yüksel, Erol Vatansever and Hamza Polat

Physica A: Statistical Mechanics and its Applications, 2012, vol. 391, issue 23, 5810-5817

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.

Keywords: Effective field theory; Dynamic phase transition; Dynamic phase diagrams; Quenched disorder (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:391:y:2012:i:23:p:5810-5817

DOI: 10.1016/j.physa.2012.06.060

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