Molecular dynamics of phase separation in narrow channels

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Abstract
The results of molecular-dynamics simulations of the phase separation of binary fluids in narrow channels are presented. Two channel widths allowing for one or two fluids layers are considered. The one-layer case does not exhibit good scaling. The two-layer case does and the growth exponents are the same as that found earlier for bulk phase separation. Our results point to the importance of conservation laws and hydrodynamic modes in determining the growth dynamics.