@inproceedings{Siems2018-05-03Brown-44431,
  year={2018},
  doi={10.1088/1742-6596/1012/1/012011},
  title={Brownian Dynamics simulations of model colloids in channel geometries and external fields},
  number={1012},
  issn={1742-6588},
  publisher={IOP Publishing},
  address={Bristol},
  series={Journal of Physics : Conference Series},
  booktitle={IX Brazilian Meeting on Simulational Physics (BMSP 2017)},
  editor={Vaz da Costa, Bismarck},
  author={Siems, Ullrich and Nielaba, Peter},
  note={Article Number: 012011}
}

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    <dc:creator>Nielaba, Peter</dc:creator>
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    <dcterms:abstract xml:lang="eng">We review the results of Brownian Dynamics simulations of colloidal particles in external fields confined in channels. Super-paramagnetic Brownian particles are well suited two- dimensional model systems for a variety of problems on different length scales, ranging from pedestrian walking through a bottleneck to ions passing ion-channels in living cells. In such systems confinement into channels can have a great influence on the diffusion and transport properties. Especially we will discuss the crossover from single file diffusion in a narrow channel to the diffusion in the extended two-dimensional system. Therefore a new algorithm for computing the mean square displacement (MSD) on logarithmic time scales is presented. In a different study interacting colloidal particles were dragged over a washboard potential and are additionally confined in a two-dimensional micro-channel. In this system kink and anti-kink solitons determine the depinning process of the particles from the periodic potential.</dcterms:abstract>
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