Spinodal decomposition in a 3D Lennard–Jones system

H. Kabrede and R. Hentschke

Physica A: Statistical Mechanics and its Applications, 2006, vol. 361, issue 2, 485-493

Abstract: Spinodal decomposition in a three-dimensional Lennard–Jones system with one million particles is studied via molecular dynamics simulations. The interfacial width in the system is about 40 times smaller than the linear system dimension, i.e., the system size therefore is comparable to recent simplified model studies. A master form factor is obtained in reasonable accord with theory. The apparent late time domain growth exponent is found to be 12. This is in disagreement with other studies on systems in the same dynamic universality class as binary fluids. We account the strongly different domain densities characterizing the phase separation for the deviations from the symmetric binary fluid case.

Keywords: Spinodal decomposition; Lennard–Jones system; Molecular dynamics; Scaling (search for similar items in EconPapers)
Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:361:y:2006:i:2:p:485-493

DOI: 10.1016/j.physa.2005.06.054

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