Séminaire Liquides et Interfaces

Friday 16 June 2023 à 11h00.

Confining active particles: patterns and self-organisation


Albane Théry
(Université de Pennsylvanie dans le centre de mathématiques pour la biologie)

Salle des séminaires

Invité(e) par
Cécile COTTIN-BIZONNE

présentera en 2 heures :

''Active particles often move in confined environments, where interactions with boundaries shape their ability to propel efficiently and form collective structures. We will discuss our recent results on the boundary-mediated propulsion of microswimmers at both the individual and collective levels. We highlight in particular how different theoretical and numerical approaches can be used depending on the nature of the interaction - hydrodynamic vs steric -, the complexity of the surrounding fluid as well as the geometry of the environment. These theoretical results are compared with recent experimental findings, demonstrating how boundaries shape single swimmer propulsion and can enable the emergence of collective organisation for example in bacterial and molecular motors suspensions.''



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