Surface criticality at a dynamic phase transition
arXiv:1209.3538 · doi:10.1103/PhysRevLett.109.175703
Abstract
In order to elucidate the role of surfaces at nonequilibrium phase transitions we consider kinetic Ising models with surfaces subjected to a periodic oscillating magnetic field. Whereas the corresponding bulk system undergoes a continuous nonequilibrium phase transition characterized by the exponents of the equilibrium Ising model, we find that the nonequilibrium surface exponents do not coincide with those of the equilibrium critical surface. In addition, in three space dimensions the surface phase diagram of the nonequilibrium system differs markedly from that of the equilibrium system.
5, pages, 5 figures, accepted for publication in Physical Review Letters
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- Numerical Simulation of a Two-Dimensional Blume-Capel Ferromagnet in an Oscillating Magnetic Field with a Constant Bias
- Nonequilibrium steady state of the kinetic Glauber-Ising model under an alternating magnetic field
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- Theoretical studies on switching of magnetisation in thin film
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