We investigate the transport diffusivity of artificial microswimmers, a.k.a. Janus particles, moving in a sinusoidal channel in the absence of external biases. Their diffusion constant turns out to be quite sensitive to the self-propulsion mechanism and the geometry of the channel compartments. Our analysis thus suggests how to best control the diffusion of active Brownian motion in confined geometries.
@article{arxiv.1412.5729,
title = {Diffusion of Chiral Janus Particles in a Sinusoidal Channel},
author = {Xue Ao and Pulak Kumar Ghosh and Yunyun Li and Gerhard Schmid and Peter Hänggi and Fabio Marchesoni},
journal= {arXiv preprint arXiv:1412.5729},
year = {2015}
}
Comments
accepted by Europhys. Lett. arXiv admin note: substantial text overlap with arXiv:1409.5061