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Nonequilibrium phase transition in the kinetic Ising model: Divergences of fluctuations and responses near the transition point

1997/01/31 by Muktish Acharyya · 1 citation
Economics, Econometrics and Finance · Physics and Astronomy · #Complex Systems and Time Series Analysis #Opinion Dynamics and Social Influence #Theoretical and Computational Physics #cond-mat

paper · pdf · doi:10.1103/physreve.56.1234

4 Pages Revtex, 4 .eps figures, To appear in Phys. Rev. E

arxiv created 1997/03/06 · openalex publication_date 1997/07/01 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The nonequilibrium dynamic phase transition in the kinetic Ising model in the presence of an oscillating magnetic field is studied by Monte Carlo simulation. The fluctuation of the dynamic order parameter is studied as a function of temperature near the dynamic transition point. The temperature variation of appropriately defined ``susceptibility'' is also studied near the dynamic transition point. Similarly, the fluctuation of energy and appropriately defined ``specific heat'' is studied as a function of temperature near the dynamic transition point. In both cases, the fluctuations (of dynamic order parameter and energy) and the corresponding responses diverge (in power law fashion) near the dynamic transition point with similar critical behavior (with identical exponent values).

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