Bulk condensation driven by an interface: anti-diffusion in active granular matter

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• Sriram Ramaswamy (Indian Institute of Science)
• Thursday 13 June 2024, 09:30-10:20
• Seminar Room 1, Newton Institute.

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ADIW04 - Anti-Diffusion in Multiphase and Active Flows

I will discuss our recent experiments, theory and simulations, with R Kant, R K Gupta, H Soni and A K Sood (see arXiv:2403.18329) on a vibrated monolayer of millimetric grains. After an introduction to this simple realisation of active matter, my talk will present results on condensation of non-motile particles through the agency of a tiny population of orientable motile grains. I will offer an understanding of these anti-diffusive phenomena through a theory with a naturally non-reciprocal Cahn-Hilliard structure.

This talk is part of the Isaac Newton Institute Seminar Series series.

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