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Issue 16, 2018
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Shapes within shapes: how particles arrange inside a cavity

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Abstract

We calculate the configurational entropy of hard particles confined in a cavity using Monte Carlo integration. Multiple combinations of particle and cavity shapes are considered. For small numbers of particles N, we show that the entropy decreases monotonically with increasing cavity aspect ratio, regardless of particle shape. As N increases, we find ordered regions of high and low particle density, with the highest density near the boundary for all particle and cavity shape combinations. Our findings provide insights relevant to engineering particles in confined spaces, entropic barriers, and systems with depletion interactions.

Graphical abstract: Shapes within shapes: how particles arrange inside a cavity

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Publication details

The article was received on 05 Jan 2018, accepted on 13 Feb 2018 and first published on 28 Feb 2018


Article type: Paper
DOI: 10.1039/C8SM00048D
Citation: Soft Matter, 2018,14, 3012-3017
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    Shapes within shapes: how particles arrange inside a cavity

    D. Wan and S. C. Glotzer, Soft Matter, 2018, 14, 3012
    DOI: 10.1039/C8SM00048D

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