Minimal model for dynamic bonding in colloidal transient networks.
basic_science · Level V
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- Record sourced from PubMed, PMID 27176346.
- Also identified by DOI 10.1103/PhysRevE.93.042601.
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Abstract
We investigate a model for colloidal network formation using Brownian dynamics computer simulations. Hysteretic springs establish transient bonds between particles with repulsive cores. If a bonded pair of particles is separated by a cutoff distance, the spring vanishes and reappears only if the two particles contact each other. We present results for the bond lifetime distribution and investigate the properties of the van Hove dynamical two-body correlation function. The model displays crossover from fluidlike dynamics, via transient network formation, to arrested quasistatic network behavior.