Seminar: "Complete and partial wetting in active liquids", Dr. Francesco Turci (University of Bristol)

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07/04/2023 - 11:00
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07/04/2023 - 12:00
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 "Complete and partial wetting in active liquids"
Dr. Francesco Turci
HH Wills Physics Laboratory University of Bristol (UK)

Dry and wet layers on a wall are the surface manifestation of equilibrium liquid-vapour phase transitions. Active liquids are disordered nonequilibrium systems that dissipate energy locally, able to produce phase separation in the absence of attractive interactions. We connect the emergent motility-induced separation of model active liquids with effective many-body cohesive interactions, focusing on the paradigmatic case of active Brownian particles [1]. Building on this link, we show how tuneable repulsive barriers allow us to explore various wetting behaviours in two and three-dimensional active matter, with implications on the viable strategies to confine active fluids [2].

[1] F. Turci and N.B. Wilding, Phys. Rev. Lett., 126, 038002 (2021)

[2] F. Turci and N.B. Wilding, Phys. Rev. Lett., 127, 238002 (2021)


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