| Issue |
Europhys. Lett.
Volume 53, Number 2, January 2001
|
|
|---|---|---|
| Page(s) | 216 - 220 | |
| Section | Condensed matter: structure, mechanical and thermal properties | |
| DOI | https://doi.org/10.1209/epl/i2001-00139-0 | |
| Published online | 01 December 2003 | |
Numerical study of the paraelectric-incommensurate- ferroelectric transition in the DIFFOUR model
1
Physics Department, Moscow State University - 119899 Moscow, Russia
2
Institute of Theoretical Physics, University of Nijmegen - Nijmegen, The Netherlands
Received:
26
May
2000
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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