A frustrated nanomechanical device powered by the lateral Casimir force

Details A frustrated nanomechanical device powered by the lateral Casimir force A frustrated nanomechanical device powered by the lateral Casimir force

2008-02-28

arxiv.org/abs/0802.4144v1

Appl. Phys. Lett. 92, 113103 (2008)

Physics

Quantum Physics

3 pages, to appear in Applied Physics Letters

Scientific paper

10.1063/1.2898707

The coupling between corrugated surfaces due to the lateral Casimir force is employed to propose a nanoscale mechanical device composed of two racks and a pinion. The noncontact nature of the interaction allows for the system to be made frustrated by choosing the two racks to move in the same direction and forcing the pinion to choose between two opposite directions. This leads to a rich and sensitive phase behavior, which makes the device potentially useful as a mechanical {\em sensor} or {\em amplifier}. The device could also be used to make a mechanical {\em clock} signal of tunable frequency.

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