Scale invariance in coarsening of binary and ternary fluids

Details Scale invariance in coarsening of binary and ternary fluids Scale invariance in coarsening of binary and ternary fluids

2002-07-21

arxiv.org/abs/cond-mat/0207503v1

Physics

Condensed Matter

Soft Condensed Matter

20 pages, 13 figures

Scientific paper

10.1103/PhysRevE.67.011507

Phase separation in binary and ternary fluids is studied using a two dimensional Lattice Gas Automata. The lengths, given by the the first zero crossing point of the correlation function and the total interface length is shown to exhibit power law dependence on time. In binary mixtures, our data clearly indicate the existence of a regime having more than one length scale where the coarsening process proceeds through the rupture and reassociation of domains. In ternary fluids; in the case of symmetric mixtures there exists a regime with a single length scale having dynamic exponent 1/2, while in asymmetric mixtures our data establish the break down of scale invariance.

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