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Brownian diode: Molecular motor based on a semi-permeable Brownian particle with internal potential drop (1302.4674v1)
Published 19 Feb 2013 in cond-mat.stat-mech and cond-mat.soft
Abstract: A model of an autonomous isothermal Brownian motor with an internal propulsion mechanism is considered. The motor is a Brownian particle which is semi-transparent for molecules of surrounding ideal gas. Molecular passage through the particle is controlled by a potential similar to that in the transition rate theory, i.e. characterized by two stationary states with a finite energy difference separated by a potential barrier. The internal potential drop maintains the diode-like asymmetry of molecular fluxes through the particle, which results in the particle's stationary drift.
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