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Noncontact racK and pinion powered by the lateral Casimir force.

作者信息

Ashourvan Arash, Miri MirFaez, Golestanian Ramin

机构信息

Institute for Advanced Studies in Basic Sciences, Zanjan, Iran.

出版信息

Phys Rev Lett. 2007 Apr 6;98(14):140801. doi: 10.1103/PhysRevLett.98.140801. Epub 2007 Apr 5.

DOI:10.1103/PhysRevLett.98.140801
PMID:17501261
Abstract

The lateral Casimir force is employed to propose a design for a potentially wear-proof rack and pinion with no contact, which can be miniaturized to the nanoscale. The robustness of the design is studied by exploring the relation between the pinion velocity and the rack velocity in the different domains of the parameter space. The effects of friction and added external load are also examined. It is shown that the device can hold up extremely high velocities, unlike what the general perception of the Casimir force as a weak interaction might suggest.

摘要

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