Single-file diffusion and kinetics of template assisted assembly of colloids

Details Single-file diffusion and kinetics of template assisted assembly of colloids Single-file diffusion and kinetics of template assisted assembly of colloids

2011-09-22

arxiv.org/abs/1109.4801v1

Physics

Condensed Matter

Soft Condensed Matter

4 pages pdflatex 4 pdf figures

Scientific paper

We report computer simulation studies of the kinetics of ordering of a two dimensional system of particles on a template with a one dimensional periodic pattern. In equilibrium one obtains a re-entrant liquid-solid-liquid phase transition as the strength of the substrate potential is varied. We show that domains of crystalline order grow as $\sim t^{1/z}$, with $z \sim 4$ with a possible cross-over to $z \sim 2$ at late times. We argue that the $t^{1/4}$ law originates from {\em single-file} motion and annihilation of defect pairs of opposite topological charge along channels created by the template.

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