title   
  

Interface-roughening phase diagram of the three-dimensional Ising model for all interaction anisotropies from hard-spin mean-field theory

Çağlar, Tolga and Berker, A. Nihat (2011) Interface-roughening phase diagram of the three-dimensional Ising model for all interaction anisotropies from hard-spin mean-field theory. Physical Review E, 84 (Issue 5, Part 1). ISSN 1539-3755

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Official URL: http://dx.doi.org/10.1103/PhysRevE.84.051129

Abstract

The roughening phase diagram of the d = 3 Ising model with uniaxially anisotropic interactions is calculated for the entire range of anisotropy, from decoupled planes to the isotropic model to the solid-on-solid model, using hard-spin mean-field theory. The phase diagram contains the line of ordering phase transitions and, at lower temperatures, the line of roughening phase transitions, where the interface between ordered domains roughens. Upon increasing the anisotropy, roughening transition temperatures settle after the isotropic case, whereas the ordering transition temperature increases to infinity. The calculation is repeated for the d = 2 Ising model for the full range of anisotropy, yielding no roughening transition.

Item Type:Article
Additional Information:Article Number: 051129
Subjects:Q Science > QC Physics > QC1 General
ID Code:18702
Deposited By:A. Nihat Berker
Deposited On:08 Jan 2012 17:56
Last Modified:12 Jan 2012 11:03

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