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Hydrodynamic and entropic effects on colloidal diffusion in corrugated channels
Xiang Yang, Chang Liu, Yunyun Li +3
In the absence of advection, confined diffusion characterizes transport in many natural and artificial devices, such as ionic channels, zeolites, and nanopores. While extensive the…
Taxis of Artificial Swimmers in a Spatio-Temporally Modulated Activation Medium
Alexander Geiseler, Peter Hänggi, Fabio Marchesoni
Contrary to microbial taxis, where a tactic response to external stimuli is controlled by complex chemical pathways acting like sensor-actuator loops, taxis of artificial microswim…
Nonlocality of relaxation rates in disordered landscapes
Yunyun Li, Debajyoti Debnath, Pulak K. Ghosh +1
We investigate both analytically and by numerical simulation the relaxation of an overdamped Brownian particle in a 1D multiwell potential. We show that the mean relaxation time fr…