SKM 2021 – wissenschaftliches Programm
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DY: Fachverband Dynamik und Statistische Physik
DY 4: Poster Session II: Nonlinear Dynamics, Simulations and Machine Learning
DY 4.1: Poster
Dienstag, 28. September 2021, 17:30–19:30, P
Memory effects and stochastic forces on a passive particle in an active bath — •Jeanine Shea1, Friederike Schmid1, and Gerhard Jung2 — 1Johannes Gutenberg University — 2University of Innsbruck
Implicit models of passive, equilibrium systems have been used for many years to study and understand the physical behavior of these systems. Given the success of understanding equilibrium systems through models, recent studies have focused on mapping non-equilibrium systems onto modified equilibrium models to better understand non-equilibrium behavior. In particular, active systems are non-equilibrium systems which are highly pertinent to biological studies and which exhibit vastly different behavior than strictly passive systems. These distinctive dynamics are not limited to purely active systems, but can also be transferred to passive particles in active systems. As such, the behavior of passive particles immersed in active systems can significantly differ from that in a passive system. We investigate the dissipative and stochastic forces which act on one fundamental example of such a system, that of a colloid in a bath of active particles.