ArticlePhilosophical transactions. Series A, Mathematical, physical, and engineering sciences2014
Aspects of the density field in an active nematic.
Article in Philosophical transactions. Series A, Mathematical, physical, and engineering sciences, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Coarsening dynamics in the Vicsek model of active matter.The European physical journal. E, Soft matter · 2020Article
- Perspectives in active liquid crystals.Philosophical transactions. Series A, Mathematical, physical, and engineering sciences · 2014Article
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3 authors.
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Abstract
Active nematics are conceptually the simplest orientationally ordered phase of self-driven particles, but have proved to be a perennial source of surprises. We show here through numerical solution of coarse-grained equations for the order parameter and density that the growth of the active nematic phase from the isotropic phase is necessarily accompanied by a clumping of the density. The growth kinetics of the density domains is shown to be faster than the [Formula: see text] law expected for variables governed by a conservation law. Other results presented include the suppression of density fluctuations in the stationary ordered nematic by the imposition of an orienting field. We close by posing some open questions.
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