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Flock on a Chip
By Denis Bartolo (ENS Lyon, Dept de physique)
January 19, 2016 at 11:00AM - Salle de séminaires 5ème étage, Tour 32-33


I will show how to motorize colloidal particles capable of sensing the orientation of their neighbors and how to handle them in microfluidic chips. These populations of colloidal rollers display non-equilibrium transitions toward swarming or swirling motion . After characterizing these emergent patterns I will quantitatively describe them by means of an hydrodynamic theory of polar active liquids.