Simulations of Spinodal Nucleation in Systems with Elastic Interactions

Details Simulations of Spinodal Nucleation in Systems with Elastic Interactions Simulations of Spinodal Nucleation in Systems with Elastic Interactions

2004-09-14

arxiv.org/abs/cond-mat/0409360v1

Physics

Condensed Matter

Statistical Mechanics

Scientific paper

10.1103/PhysRevLett.95.095701

Systems with long-range interactions quenched into a metastable state near the pseudospinodal exhibit nucleation that is qualitatively different than the classical nucleation observed near the coexistence curve. We have observed nucleation droplets in our Langevin simulations of a two-dimensional model of martensitic transformations and have determined that the structure of the nucleating droplet differs from the stable martensite structure. Our results, together with experimental measurements of the phonon dispersion curve, allow us to predict the nature of the droplet. These results have implications for nucleation in many solid-solid transitions and the structure of the final state.

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