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Dynamic phase transitions on the kagome Ising ferromagnet
1Department of Physics, Dokuz Eylül University, TR-35160, Izmir-Turkey.
Physical Review. E
|December 23, 2022
Summary
Extensive simulations reveal that the 2D kinetic Ising model on a kagome lattice exhibits dynamic phase transitions belonging to the same universality class as equilibrium models. This study precisely determines critical exponents for these nonequilibrium systems.
Area of Science:
- Statistical physics
- Condensed matter physics
- Computational physics
Background:
- The kinetic Ising model describes magnetic systems with dynamic processes.
- Kagome lattices are geometrically frustrated magnetic structures.
- Understanding nonequilibrium phase transitions is crucial for complex systems.
Purpose of the Study:
- To investigate dynamic phase transition properties of the 2D kinetic Ising model on a kagome lattice.
- To analyze universality aspects of the nonequilibrium phase transition under an oscillating magnetic field.
- To determine critical exponents and compare them with equilibrium models.
Main Methods:
- Extensive Monte Carlo simulations were employed.
- Finite-size scaling analysis was used to study universality.
- The system was subjected to a square-wave oscillating magnetic field.
Main Results:
- The 2D kagome-lattice kinetic Ising model belongs to the same universality class as its equilibrium counterpart.
- Critical exponents were obtained with high precision.
- Numerical results are consistent with previous studies on kinetic Ising models.
Conclusions:
- The dynamic phase transition in this system aligns with equilibrium universality classes.
- The study provides precise values for dynamic critical exponents.
- The findings contribute to the understanding of nonequilibrium phenomena in magnetic lattices.
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