Rotary motor powered by stochastic uncorrelated dipoles.
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.
Chang
Cheng-Hung
CH
Physics Division, National Center for Theoretical Sciences, Hsinchu 300, Taiwan.
Tsong
Tian Yow
TY
D003198:Computer Simulation; D004563:Electrochemistry / Q000379:methods*; D004574:Electromagnetic Fields; D008956:Models, Chemical; D008958:Models, Molecular; D015233:Models, Statistical; D020409:Molecular Motor Proteins / Q000737:chemistry*; D036103:Nanotechnology / Q000295:instrumentation / Q000379:methods*; D012399:Rotation; D013269:Stochastic Processes; D013314:Stress, Mechanical
D020409:Molecular Motor Proteins