Northwestern Events Calendar


Complex Systems Seminar: Professor Petia Vlahovska: Active fluids of microrotors

When: Thursday, May 2, 2019
2:00 PM - 3:30 PM Central

Where: Technological Institute, F160, 2145 Sheridan Road, Evanston, IL 60208 map it

Audience: Faculty/Staff - Student - Public - Post Docs/Docs - Graduate Students

Contact: Cristian Pennington   (847) 491-3645

Group: Physics and Astronomy Complex Systems Seminars

Category: Academic


Populations of self-propelled living or synthetic microparticles, e.g., bacteria or chemically-activated colloids can collectively exhibit behavior that on the macroscale resembles fluid flow. While the individual particles are governed by relatively simple dynamics, the interaction of the particles can result in remarkably complex and intriguing phenomena. We study the collective behavior of self-rotating colloids suspended in viscous fluid. I will present experiments in our Lab with Quincke rotors (actuated by electric fields) which show the emergence of structure (e.g. vortices, crystals, chains) and discuss our discrete-particle and continuum models of these systems.

Professor Petia Vlahovska, Northwestern University

Host: Michelle Driscoll

Keywords: Physics, Astronomy, Complex Systems

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