Spontaneous Oscillations of Collective Molecular Motors

Details Spontaneous Oscillations of Collective Molecular Motors Spontaneous Oscillations of Collective Molecular Motors

1996-11-26

arxiv.org/abs/cond-mat/9611204v1

Phys. Rev. Lett. 78, 4510 (1997)

Physics

Condensed Matter

Soft Condensed Matter

11 pages, Revtex, 4 pages Figures

Scientific paper

10.1103/PhysRevLett.78.4510

We analyze a simple stochastic model to describe motor molecules which cooperate in large groups and present a physical mechanism which can lead to oscillatory motion if the motors are elastically coupled to their environment. Beyond a critical fuel concentration, the non-moving state of the system becomes unstable with respect to a mode with angular frequency omega. We present a perturbative description of the system near the instability and demonstrate that oscillation frequencies are determined by the typical timescales of the motors.

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