# Aggregation kinetics in a model colloidal suspension

Source: [Aggregation kinetics in a model colloidal suspension](<https://www.sota2.com/research/paper/68fa20417a2b558e2932fbbe>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-23T21:24:12.578Z

Authors: Sorin Bastea

Published: 2006-01-19T18:07:05.000Z

## Abstract

We present molecular dynamics simulations of aggregation kinetics in a colloidal suspension modeled as a highly asymmetric binary mixture. Starting from a configuration with largely uncorrelated colloidal particles the system relaxes by coagulation-fragmentation dynamics to a structured state of low-dimensionality clusters with an exponential size distribution. The results show that short-range repulsive interactions alone can give rise to so-called cluster phases. For the present model and probably other, more common colloids, the observed clusters appear to be equilibrium phase fluctuations induced by the entropic inter-colloidal attractions.

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/cond-mat/0601452>)

[PDF](<https://arxiv.org/pdf/cond-mat/0601452.pdf>)