University of Cambridge > Talks.cam > DAMTP Statistical Physics and Soft Matter Seminar > Scaling limits and macroscopic behavior for stochastic models of active matter

Scaling limits and macroscopic behavior for stochastic models of active matter

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If you have a question about this talk, please contact Camille Scalliet.

This talk is a joint seminar between the DAMTP Statistical Physics and Soft Matter Seminar series and the DPMMS Probability Seminar series. It will consist of two parts of 40 minutes with an intermission (the first will focus on the models, while the second will cover the mathematical techniques).

Abstract: Most attempts to understand the behavior of active matter models from a mathematical standpoint have been focused on some form of mean field interactions between particles, meaning that the interaction of each individual particle with the system is averaged out over a large number of its neighbors. In this talk, I will share a few attempts to model active matter by lattice gases of particles interacting at a microscopic level. I will talk about the mathematical challenges involved in studying such microscopic models. I will also present results in (finished and ongoing) work with T. Bodineau, M. Kourbane-Houssène and J. Tailleur, in which we show the emergence of two classical phenomena for active matter, namely Motility induced phase separation (MIPS), and alignment phase transitions, based on two types of classical models, namely exclusion processes and zero-range processes.

This talk is part of the DAMTP Statistical Physics and Soft Matter Seminar series.

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