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Title: Degenerate Blume-Emergy-Griffiths model for the martensitic transformation
Author: Vives i Santa-Eulàlia, Eduard
Castán i Vidal, Maria Teresa
Lindgård, Per-Anker
Keywords: Termodinàmica
Transformacions martensítiques
Martensitic transformations
Issue Date: 1996
Publisher: The American Physical Society
Abstract: A generalization of the Blume-Emery-Griffiths model is introduced in which an entropy stabilization of the high-temperature phase is controlled by a degeneracy parameter p >~ 1 . The model describes a first- and a second-order phase transition as a function of temperature between two ordered phases. This is relevant for the martensitic transition problem. Mean-field calculations and Monte Carlo simulations are presented. The model predicts a constant entropy change at the transition for various transition temperatures in agreement with the behavior found experimentally.
Note: Reproducció digital del document publicat en format paper, proporcionada per PROLA i
It is part of: Physical Review B, 1996, vol. 53, núm. 14, p. 8915-8921
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ISSN: 0163-1829
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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