Inertia Drives a Flocking Phase Transition in Viscous Active Fluids

How fast must an oriented collection of extensile swimmers swim to escape the instability of viscous active suspensions? We show that the answer lies in the dimensionless combination R=ρv_{0}^{2}/2σ_{a}, where ρ is the suspension mass density, v_{0} the swim speed, and σ_{a} the active stress. Linea...

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Auteurs principaux: Rayan Chatterjee, Navdeep Rana, R. Aditi Simha, Prasad Perlekar, Sriram Ramaswamy
Format: article
Langue:EN
Publié: American Physical Society 2021
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Accès en ligne:https://doaj.org/article/f1a4819a896449f5bd32d91fa90991f3
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