Wetting transitions in polydisperse fluids |
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Authors: | Buzzacchi Matteo Wilding Nigel B Sollich Peter |
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Institution: | Department of Physics, University of Bath, Bath BA2 7AY, United Kingdom. |
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Abstract: | The properties of the coexisting bulk gas and liquid phases of a polydisperse fluid depend not only on the prevailing temperature but also on the overall parent density. As a result, a polydisperse fluid near a wall will exhibit density-driven wetting transitions inside the coexistence region. We propose a likely topology for the wetting phase diagram, which we test using Monte Carlo simulations of a model polydisperse fluid at an attractive wall, tracing the wetting line inside the cloud curve and identifying the relationship to prewetting. |
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