The role of fluid flow in the dynamics of active nematic defects

The role of fluid flow in the dynamics of active nematic defects

We adapt the Halperin–Mazenko formalism to analyze two-dimensional active nematics coupled to a generic fluid flow. The governing hydrodynamic equations lead to evolution laws for nematic topological defects and their corresponding density fields. We find that ±1/2 defects are propelled by the local...

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Bibliographic Details
Main Authors: Luiza Angheluta, Zhitao Chen, M Cristina Marchetti, Mark J Bowick
Format: Article
Language:English
Published: IOP Publishing 2021-01-01
Series:New Journal of Physics
Subjects:
active nematics
active matter
defect dynamics
Online Access:https://doi.org/10.1088/1367-2630/abe8a8

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