Collective Dynamics in Non-Equilibrium Fluids

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• Professor Robert Jack, University of Cambridge
• Wednesday 06 March 2024, 14:30-15:30
• Unilever Lecture Theatre, Yusuf Hamied Department of Chemistry.

If you have a question about this talk, please contact Lisa Masters.

We consider fluids composed of mesoscopic particles such as colloids or bacteria, driven away from equilibrium either by external fields or by self-propulsion of individual particles. Such systems support rich collective phenomena including phase separation, lane formation, and flocking. A natural expectation is that such states can be characterised by suitably extending ideas from equilibrium statistical mechanics, and theories of equilibrium phases. I will describe ongoing efforts in this direction, illustrated with examples [1,2,3]. I will explain the how the rate of entropy production [4] can be used to quantify the distance from equilibrium in these systems.

[1] F Turci, RL Jack, and NB Wilding, arXiv:2310.07531. [2] T Agranov, RL Jack, ME Cates and E Fodor, arXiv:2401.09901. [3] H Yu and RL Jack, arXiv:2305.05990. [4] E Fodor, RL Jack, and ME Cates, Ann. Rev. Cond. Matt. Phys. 13, 215 (2022)

This talk is part of the Theory - Chemistry Research Interest Group series.

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