Molecular-dynamics simulations of amphiphilic molecules at a liquid-liquid interface

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Abstract
In this paper we present molecular-dynamics simulations for a simple liquid-liquid-amphiphile model system. We have determined the density profiles and the influence of the amphiphilic particles on the interfacial tension of the liquid-liquid interface. The amphiphilic particles distribute preferentially to the interface. The addition of a small amount of these surface-active particles gives rise to a substantial decrease of the interfacial tension.