A chirality-switching model of 2D active particles produces robust topological edge currents in confinement and at phase-separation interfaces, distinct from standard motility-induced phase separation.
4(g) in the main text, we show the global hex- atic order parameter averaged over all particles
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Designing topological edge currents in chiral active matter
A chirality-switching model of 2D active particles produces robust topological edge currents in confinement and at phase-separation interfaces, distinct from standard motility-induced phase separation.