Rotary motor powered by stochastic uncorrelated dipoles

Cheng-Hung Chang*, Tian Yow Tsong

*Corresponding author for this work

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

It is demonstrated that the stochastic back-and-forth vibrations of uncorrelated dipoles may lead to rotation of their ambient dipoles. This peculiar phenomenon is clarified by considering spatial and temporal symmetry breakings. The former asymmetry is the result of the multiple biased Hamiltonian vector fields, which is a ratchet effect, and the latter, of the time sequence specified by a metastable state. Since this driving mechanism is simpler than that of F0F1ATPase, it could benefit the design of nanometer scale rotary devices.

Original languageEnglish
Article number051901
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume72
Issue number5
DOIs
StatePublished - 1 Nov 2005

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