Models of active Brownian motors based on internal oscillations
1 Faculty of Physics, Lomonosov Moscow State University, Leninskie Gory, 119992 Moscow, Russia
2 Institute of Physics, Humboldt University, Newtonstr. 15, 12489 Berlin, Germany
Received: 16 July 2013
Revised: 13 August 2013
Published online: 28 October 2013
We analyze the dynamics of driven translations or rotations based on models with internal oscillations. In particular we discuss several new mechanisms of motors driven by chemical energy. First we study the simple depot model and give analytical solutions including efficiency and stochastic effects. Then we introduce internal oscillations based on inertia including variable friction functions. Further we replace inertia by delay effects and study motors in trigger regime. As possible applications we consider a model of ATP-driven motors operating on angle and elasticity variables. We develop a model of F1-ATPase motors with three β-subunits which drive the rotation of the central γ-shaft.
© EDP Sciences, Springer-Verlag, 2013