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Université de Fribourg

Pressure, surface tension, and curvature in active systems: A touch of equilibrium

Wittmann, René ; Smallenburg, Frank ; Brader, Joseph M.

In: The Journal of Chemical Physics, 2019, vol. 150, no. 17, p. 174908

We explore the pressure of active particles on curved surfaces and its relation to other interfacial properties. We use both direct simulations of the active systems as well as simulations of an equilibrium system with effective (pair) interactions designed to capture the effects of activity. Comparing the active and effective passive systems in terms of their bulk pressure, we elaborate that...