Nonequilibrium phase transition in the kinetic Ising model driven by propagating magnetic field wave
arXiv:1010.4366 · doi:10.1088/0031-8949/84/03/035009
Abstract
The two dimensional ferromagnetic Ising model in the presence of a propagating magnetic field wave (with well defined frequency and wavelength) is studied by Mone Carlo simulation. This study differs from all of the earlier studies done so far, where the oscillating magnetic field was considered to be uniform in space. The time average magnetisation over a full cycle (the time period) of the propagating magnetic field acts as the dynamic order parameter. The dynamical phase transition is observed. The temperature variation of the dynamic order parameter, the mean square deviation of the dynamic order parameter, the dynamic specific heat and the derivative of the dynamic order parameter are studied. The mean square deviation of the dynamic order parameter, dynamic specific heat show sharp maxima near the transition point. The derivative of dynamic order parameter shows sharp minimum near the transition point. The transition temperature is found to depend also on the speed of propagation of the magnetic field wave.
To appear in Physica Scripta (2011)
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Cited by in corpus (6)
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- Random field Ising model swept by propagating magnetic field wave: Athermal nonequilibrium phase diagram
- Driven spin wave modes in XY ferromagnet: Nonequilibrium phase transition
- Nonequilibrium Phase Transition in a 2D Ferromagnetic Spins with Effective Interactions