93-202 Roman Kotecky, Enzo Olivieri

Shapes of growing droplets-a model of escape from a metastable phase. (218K, Ams tex) Jul 21, 93

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Abstract. Nucleation from a metastable state is studied for an Ising ferromagnet with nearest and next nearest neighbour interaction and at very low temperatures. The typical escape path is shown to follow a sequence of configurations with a growing droplet of stable phase whose shape is determined by dynamical considerations and differs significantly from equilibrium shape corresponding to the instanantenous volume.

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