Nonlinear friction as a mechanism of directed motion

被引:0
|
作者
Yu. L. Bolotin
A. V. Tur
V. V. Yanovsky
机构
[1] National Scientific Center Kharkov Institute of Physics and Technology,Institute of Theoretical Physics
[2] Center D’etude Spatiale Des Rayonnements,Institute of Single Crystals
[3] National Academy of Sciences of Ukraine,undefined
来源
Technical Physics | 2002年 / 47卷
关键词
Simple Model; Directed Motion; Velocity Space; Existence Condition; Random Force;
D O I
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中图分类号
学科分类号
摘要
A simple model (ratchet model) of occurrence of directed motion under the action of a zero-mean fluctuating force is proposed. The motion arises when the symmetry in the velocity space is violated by nonlinear friction. The mechanism of the directed motion is discussed qualitatively. Existence conditions of the motion are derived. The efficiency of conversion of the fluctuating random force to the directed motion is estimated.
引用
收藏
页码:803 / 806
页数:3
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