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On a pulsating Brownian motor and its characterization
Authors:Buonocore A  Caputo L  Pirozzi E  Ricciardi L M
Institution:Dipartimento di Matematica e Applicazioni, Università di Napoli Federico II, Italy. aniello.buonocore@unina.it
Abstract:As a model of Brownian motor we consider the jump diffusion motion of a particle in the presence of an asymmetric periodic potential with a unique minimum and subject to half-period space shifts at the instants of occurrence of two Poisson processes. The relevant quantities, i.e., probability current, effective driving force, stall force, power and efficiency of the motor are explicitly calculated as averages of certain functions of the random variable representing the particle position.
Keywords:Brownian motors  Washboard potential  Probability currents  Effective driving force  Efficiency
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