Corpus ID: 211020758

Edge Current and Pairing Order Transition in Chiral Bacterial Vortex.

@article{Beppu2020EdgeCA,
  title={Edge Current and Pairing Order Transition in Chiral Bacterial Vortex.},
  author={Kazusa Beppu and Ziane Izri and Tasuku Sato and Y. Yamanishi and Y. Sumino and Y. Maeda},
  journal={arXiv: Soft Condensed Matter},
  year={2020}
}
We report the selective stabilization of chiral rotational direction of bacterial vortices, from turbulent bacterial suspension, in achiral circular microwells sealed by an oil-water interface. This broken-symmetry, originating from the intrinsic chirality of bacterial swimming near hydrodynamically different top and bottom surfaces, generates a chiral edge current of bacteria at lateral boundary and grows stronger as bacterial density increases. We demonstrate that chiral edge current favors… Expand
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