Study of cell distribution functions of the three-dimensional Ising model

Kimmo Kaski, Kurt Binder, J. D. Gunton

Research output: Contribution to journalArticleScientificpeer-review

77 Citations (Scopus)

Abstract

The single and joint distribution functions of the nearest-neighbor cell magnetization of the three-dimensional Ising model have been studied by Monte Carlo methods. Near the critical point, both distribution functions tend, for large L, towards scaled universal forms. Estimates of the order parameter and susceptibility are obtained from the distribution functions. The critical temperature is estimated by a method independent of the estimate of the critical exponents. The critical exponent ν is obtained with the use of finite-size scaling arguments. The joint distribution function shows a double-well structure for T<Tc and can be represented by a coarse-grained effective Hamiltonian of two cell variables. We have determined the dependence of this functional on the coarse-graining cell size for several temperatures. In particular, we have calculated the dependence of the "spinodal curve" on the (scaled) coarse-graining size. The relevance of this work to the kinetics of first-order phase transitions is also discussed.
Original languageEnglish
Pages (from-to)3996-4009
JournalPhysical Review B
Volume29
Issue number7
DOIs
Publication statusPublished - 1984
MoE publication typeA1 Journal article-refereed

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