Degenerate Blume-Emery-Griffiths model for the martensitic transformation.

  title={Degenerate Blume-Emery-Griffiths model for the martensitic transformation.},
  author={Vives and Cast{\'a}n and Lindg{\aa}rd},
  journal={Physical review. B, Condensed matter},
  volume={53 14},
  • Vives, Castán, Lindgård
  • Published 1996
  • Physics, Medicine
  • Physical review. B, Condensed matter
  • 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… CONTINUE READING
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