ArticleSoft matter2021
Properties of twisted topological defects in 2D nematic liquid crystals.
Article in Soft matter, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Topological defects lead to energy transfer in active nematics.Nature communications · 2026Article
- Hidden order in active nematic defects.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Topological defects in multi-layered swarming bacteria.Soft matter · 2024Article
- Nematic bits and universal logic gates.Science advances · 2022Article
- Coupling the topological defect phase to the extrinsic curvature in nematic shells.Soft matter · 2022Article
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Topological defects are one of the most conspicuous features of liquid crystals. In two dimensional nematics, they have been shown to behave effectively as particles with both charge and orientation, which dictate their interactions. Here, we study "twisted" defects that have a radially dependent orientation. We find that twist can be partially relaxed through the creation and annihilation of defect pairs. By solving the equations for defect motion and calculating the forces on defects, we identify four distinct elements that govern the relative relaxational motion of interacting topological defects, namely attraction, repulsion, co-rotation and co-translation. The interaction of these effects can lead to intricate defect trajectories, which can be controlled by setting relevant timescales.
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