Kinetic Ising model in an oscillating field: Finite-size scaling at the dynamic phase transition

Details Kinetic Ising model in an oscillating field: Finite-size scaling at the dynamic phase transition Kinetic Ising model in an oscillating field: Finite-size scaling at the dynamic phase transition

1998-03-11

arxiv.org/abs/cond-mat/9803127v2

Phys. Rev. Lett. 81 834-837 (1998)

Physics

Condensed Matter

Statistical Mechanics

Accepted by Physical Review Letters. 9 pages

Scientific paper

10.1103/PhysRevLett.81.834

We study hysteresis for a two-dimensional, spin-1/2, nearest-neighbor, kinetic Ising ferromagnet in an oscillating field, using Monte Carlo simulations. The period-averaged magnetization is the order parameter for a proposed dynamic phase transition (DPT). To quantify the nature of this transition, we present the first finite-size scaling study of the DPT for this model. Evidence of a diverging correlation length is given, and we provide estimates of the transition frequency and the critical indices $\beta$, $\gamma$ and $\nu$.

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