ArticleSoft matter2016
Instabilities, defects, and defect ordering in an overdamped active nematic.
Article in Soft matter, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Theory of active self-organization of dense nematic structures in the actin cytoskeleton.eLife · 2025Article
- Orienting field effects on the flow of an active nematic liquid crystal in a channel.The European physical journal. E, Soft matter · 2025Article
- Topological defects in multi-layered swarming bacteria.Soft matter · 2024Article
- Coupling the topological defect phase to the extrinsic curvature in nematic shells.Soft matter · 2022Article
- Properties of twisted topological defects in 2D nematic liquid crystals.Soft matter · 2021Article
- Active liquid crystals powered by force-sensing DNA-motor clusters.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Flow coupling between active and passive fluids across water-oil interfaces.Scientific reports · 2021Article
- Pressure-driven changes to spontaneous flow in active nematic liquid crystals.The European physical journal. E, Soft matter · 2020Article
- Filamentous active matter: Band formation, bending, buckling, and defects.Science advances · 2020Article
- Design of nematic liquid crystals to control microscale dynamics.Liquid crystals reviews · 2020Article
- Lattice Boltzmann methods and active fluids.The European physical journal. E, Soft matter · 2019Review
- Self-organized dynamics and the transition to turbulence of confined active nematics.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
- Data-driven quantitative modeling of bacterial active nematics.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
- Active nematics.Nature communications · 2018Review
- Order-disorder transition in active nematic: A lattice model study.Scientific reports · 2017Article
- Generalized Swift-Hohenberg models for dense active suspensions.The European physical journal. E, Soft matter · 2016Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
We consider a phenomenological continuum theory for an extensile, overdamped active nematic liquid crystal, applicable in the dense regime. Constructed from general principles, the theory is universal, with parameters independent of any particular microscopic realization. We show that it exhibits two distinct instabilities, one of which arises due to shear forces, and the other due to active torques. Both lead to the proliferation of defects. We focus on the active torque bend instability and find three distinct nonequilibrium steady states including a defect-ordered nematic in which +½ disclinations develop polar ordering. We characterize the phenomenology of these phases and identify the relationship of this theoretical description to experimental realizations and other theoretical models of active nematics.
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Registered trials
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