Kinetic Ising Model in an Oscillating Field: Finite-Size Scaling at the Dynamic Phase Transition

S. W. Sides, P. A. Rikvold, and M. A. Novotny
Phys. Rev. Lett. 81, 834 – Published 27 July 1998
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Abstract

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 β, γ, and ν.

  • Received 11 March 1998

DOI:https://doi.org/10.1103/PhysRevLett.81.834

©1998 American Physical Society

Authors & Affiliations

S. W. Sides1,2, P. A. Rikvold1,2, and M. A. Novotny2

  • 1Center for Materials Research and Technology and Department of Physics, Florida State University, Tallahassee, Florida 32306-4350
  • 2Supercomputer Computations Research Institute, Florida State University, Tallahassee, Florida 32306-4130

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Vol. 81, Iss. 4 — 27 July 1998

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