Volume 53, Number 2, January 2001
|Page(s)||216 - 220|
|Section||Condensed matter: structure, mechanical and thermal properties|
|Published online||01 December 2003|
Numerical study of the paraelectric-incommensurate- ferroelectric transition in the DIFFOUR model
Physics Department, Moscow State University - 119899 Moscow, Russia
2 Institute of Theoretical Physics, University of Nijmegen - Nijmegen, The Netherlands
Accepted: 15 November 2000
The classical 3D discrete frustrated (DIFFOUR) model is studied with Monte Carlo techniques. The phase diagram is topologically identical with that calculated in mean-field approximation, but the transition temperatures are different. This allows a comparison with experimental phase diagrams.
PACS: 64.70.Rh – Commensurate-incommensurate transitions / 64.60.Cn – Order-disorder transformations; statistical mechanics of model systems / 02.50.Ng – Distribution theory and Monte Carlo studies
© EDP Sciences, 2001
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