LATTICE-BOLTZMANN MODEL OF AMPHIPHILIC SYSTEMS

A lattice-Boltzmann model for the study of the dynamics of oil-water-s urfactant mixtures is constructed. The model, which is based on a Ginz burg-Landau theory of amphiphilic systems with a single, scalar order parameter, is then used to calculate the spectrum of undulation modes of an oil-water interface and the spontaneous emulsification of oil an d water after a quench from two-phase coexistence into the lamellar ph ase. A comparison with some analytical results shows that the model pr ovides an accurate description of the static and dynamic behavior of a mphiphilic systems.