Effective field investigation of dynamic phase transitions for site diluted Ising ferromagnets driven by a periodically oscillating magnetic field
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.
Year of publication: |
2012
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Authors: | Akıncı, Ümit ; Yüksel, Yusuf ; Vatansever, Erol ; Polat, Hamza |
Published in: |
Physica A: Statistical Mechanics and its Applications. - Elsevier, ISSN 0378-4371. - Vol. 391.2012, 23, p. 5810-5817
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Publisher: |
Elsevier |
Subject: | Effective field theory | Dynamic phase transition | Dynamic phase diagrams | Quenched disorder |
Saved in:
Online Resource