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Finding bridges in packings of colloidal spheres

2010/06/17 by Matthew C. Jenkins, Mark D. Haw, Jenkins, Matthew C. +8
Engineering · Materials Science · Physics and Astronomy · #Biology #Bridge (graph theory) #Chemical engineering #Colloid #Colloidal particle #Composite material #Computer science #Engineering #FOS: Physical sciences #Force Microscopy Techniques and Applications #Granular flow and fluidized beds #Granular material #Material Dynamics and Properties #Materials science #Mechanics #Nanotechnology #Physics #Range (aeronautics) #SPHERES #Soft Condensed Matter (cond-mat.soft) #Stability (learning theory) #Statistical physics #cond-mat.soft

paper · pdf · doi:10.48550/arxiv.1006.3405

18 pages, 9 figures

arxiv created 2010/06/17 · openalex publication_date 2010/06/17 · arxiv updated 2010/06/18 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/06

Abstract

We identify putative load-bearing structures (bridges) in experimental colloidal systems studied by confocal microscopy. Bridges are co-operative structures that have been used to explain stability and inhomogeneous force transmission in simulated granular packings with a range of densities. We show that bridges similar to those found in granular simulations are present in real experimental colloidal packings. We describe critically the bridge-finding procedure for real experimental data and propose a new criterion-Lowest Mean Squared Separation (LSQS)-for selecting optimum stabilisations.

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