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Monte Carlo simulation of equilibrium and dynamic phase transition properties of an Ising bilayer

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  • Yusuf Yüksel

    (Dokuz Eylül University)

Abstract

Magnetic properties of an Ising bilayer system defined on a honeycomb lattice with non-magnetic interlayers which interact via an indirect exchange coupling have been investigated by Monte Carlo simulation technique based on the Metropolis algorithm. Equilibrium properties of the system exhibit ferrimagnetism with P-, N- and Q- type behaviors. Compensation phenomenon suddenly disappears with decreasing strength of indirect ferrimagnetic interlayer exchange coupling. Qualitative properties are in a good agreement with those obtained by effective field theory. In order to investigate the stochastic dynamics of kinetic Ising bilayer, we have introduced two different types of dynamic magnetic fields, namely a square wave, and a sinusoidally oscillating magnetic field form. For both field types, compensation point and critical temperature decrease with increasing amplitude and field period. Dynamic ferromagnetic region in the presence of square wave magnetic field is narrower than that obtained for sinusoidally oscillating magnetic field when the amplitude and the field period are the same for each type of dynamic magnetic fields.

Suggested Citation

  • Yusuf Yüksel, 2018. "Monte Carlo simulation of equilibrium and dynamic phase transition properties of an Ising bilayer," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 91(10), pages 1-7, October.
    • Handle: RePEc:spr:eurphb:v:91:y:2018:i:10:d:10.1140_epjb_e2018-90401-5
    DOI: 10.1140/epjb/e2018-90401-5
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    Statistical and Nonlinear Physics;

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