Noncontact rack and pinion powered by the lateral Casimir force

被引：91
作者：
Ashourvan, Arash [1 ]
Miri, MirFaez
Golestanian, Ramin
机构：
[1] Inst Adv Studies Basic Sci, Zanjan 451951159, Iran
[2] Univ Sheffield, Dept Phys & Astron, Sheffield S3 7RH, S Yorkshire, England
来源：
PHYSICAL REVIEW LETTERS | 2007年 / 98卷 / 14期
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.1103/PhysRevLett.98.140801
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
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.
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页数：4
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