Transport of self-propelled particles in a two-dimensional (2D) separate channel is investigated in the presence of the combined forces. By applying an ac force, the particles will be trapped by the separate walls. A dc force produces the asymmetry of the system and induces the longitudinal directed transport. Due to the competition between self-propulsion and the combined external forces, the transport is sensitive to the self-propelled speed and the particle radius, thus one can separate the particles based on these properties.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4817505 | PMC |
| http://dx.doi.org/10.1038/srep24001 | DOI Listing |
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