As amodel of Brownian motor, we consider themotion of particles in an asymmetric, single-well, periodic potential undergoing halfperiod shifts driven by two Poisson processes. Probability currents and stopping force are explicitly obtained as a function of the model parameters, and use of the notion of driving effective potential is made to bridge the presentmodelwith our previousworks involvingwashboard potentials.
On Myosin II Dynamics: from a pulsating ratchet to a washboard potential
CAPUTO, LUIGIA;
2005-01-01
Abstract
As amodel of Brownian motor, we consider themotion of particles in an asymmetric, single-well, periodic potential undergoing halfperiod shifts driven by two Poisson processes. Probability currents and stopping force are explicitly obtained as a function of the model parameters, and use of the notion of driving effective potential is made to bridge the presentmodelwith our previousworks involvingwashboard potentials.
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