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cond-mat.stat-mech2025★ 3 cited
Coupling an elastic string to an active bath: the emergence of inverse damping
Aaron Beyen, Christian Maes, Ji-Hui Pei
We consider a slow elastic string with Klein-Gordon dynamics coupled to a bath of run-and-tumble particles. We derive and solve the induced Langevin-Klein-Gordon string dynamics wi…
cond-mat.stat-mech2025★ 2 cited
Transfer of active motion from medium to probe via the induced friction and noise
Ji-Hui Pei, Christian Maes
Can activity be transmitted from smaller to larger scales? We report on such a transfer from a homogeneous active medium to a Newtonian spherical probe. The active medium consists…