2006•The Journal of Chemical PhysicsRequires access

Nonadditivity in van der Waals interactions within multilayers

Rudolf Podgornik, Roger H. French, V. Adrian Parsegian

Abstract

Working at the macroscopic continuum level, we investigate effective van der Waals interactions between two layers within a multilayer assembly. By comparing the pair interactions between two layers with effective pair interactions within an assembly we assess the significant consequences of nonadditivity of van der Waals interactions. This allows us to evaluate the best numerical estimate to date for the Hamaker coefficient of van der Waals interactions in lipid-water multilamellar systems.

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Key concepts: van der Waals force, Hamaker constant, Van der Waals surface, Van der Waals strain, Van der Waals radius, DLVO theory, Chemical physics, Chemistry