Irreversible adsorption of particles after diffusing in a gravitational field

Jordi Faraudo, Javier Bafaluy

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13 Citations (Scopus)


In this paper we analyze the influence of transport mechanisms (diffusion and sedimentation) on the structure of monolayers of particles irreversibly adsorbed on a line. We focus our attention on the dependence of the radial distribution function g(r) and the saturation coverage [Formula Presented] on the gravitational Péclet number [Formula Presented]. First, we study the probability density of adsorption onto an available interval using approximate solutions of the transport equation and computer simulations. Combining our results with an approximate general formalism, we can obtain values of [Formula Presented] and the gap density, which agree with our simulations. We also show that, for large gravity, the coverage [Formula Presented] approaches the ballistic limit following a power law in [Formula Presented] that is independent of the number of dimensions, as has been observed in simulations R. Ezzeddine, P. Schaaf, J. C. Voegel, and B. Senger, Phys. Rev. E 51, 6286 (1995). © 1996 The American Physical Society.
Original languageEnglish
Pages (from-to)3725-3739
JournalPhysical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Issue number4
Publication statusPublished - 1 Jan 1996


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