Active transport and cluster formation on 2D networks

Details Active transport and cluster formation on 2D networks Active transport and cluster formation on 2D networks

2009-04-24

arxiv.org/abs/0904.3890v2

Euro. Phys. J. E 32, p.191 (2010)

Physics

Biological Physics

replaced; phenomenological analysis added

Scientific paper

We introduce a model for active transport on inhomogeneous networks embedded in a diffusive environment and investigate the formation of particle clusters. In the presence of a hard-core interaction, cluster sizes exhibit an algebraically decaying distribution in a large parameter regime, indicating the existence of clusters on all scales. The results are compared with a diffusion limited aggregation model and active transport on a regular network. For both models we observe aggregation of particles to clusters which are characterized by a finite size-scale if the relevant time-scales and particle densities are considered.

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