ArticleScientific reports2017
Curvature controlled defect dynamics in topological active nematics.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Article
- Capturing nematic order on tissue surfaces of arbitrary geometry.Nature communications · 2025Article
- Continuous generation of topological defects in a passively driven nematic liquid crystal.Nature communications · 2022Article
- Vesicle shape transformations driven by confined active filaments.Nature communications · 2021Article
- Liquid crystals on deformable surfaces.Proceedings. Mathematical, physical, and engineering sciences · 2020Article
- Active topological glass.Nature communications · 2020Article
- Active nematics.Nature communications · 2018Review
- Nematic liquid crystals on curved surfaces: a thin film limit.Proceedings. Mathematical, physical, and engineering sciences · 2018Article
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We study the spatiotemporal patterns that emerge when an active nematic film is topologically constraint. These topological constraints allow to control the non-equilibrium dynamics of the active system. We consider ellipsoidal shapes for which the resulting defects are 1/2 disclinations and analyze the relation between their location and dynamics and local geometric properties of the ellipsoid. We highlight two dynamic modes: a tunable periodic state that oscillates between two defect configurations on a spherical shape and a tunable rotating state for oblate spheroids. We further demonstrate the relation between defects and high Gaussian curvature and umbilical points and point out limits for a coarse-grained description of defects as self-propelled particles.
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Registered trials
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