Fig. 6: Time evolution of defects in open channels.
From: Defect dynamics in active smectics induced by confining geometry and topology

a Time evolution of defect number density in two types of open channels at v0 = 0.31 (with periodic boundary condition along the vertical open ends). b–e Snapshots of ψ profiles at different times for (b) S-shaped and (c–e) cycloid channels.