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cond-mat.stat-mech2025
Quasistatic response for nonequilibrium processes: evaluating the Berry potential and curvature
Aaron Beyen, Faezeh Khodabandehlou, Christian Maes
We investigate how introducing slow, time-dependent perturbations to a steady, nonequilibrium process alters the expected (excess) values of important observables, such as the dyna…
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…