Document Detail

Driving a macroscopic oscillator with the stochastic motion of a hydrogen molecule.
MedLine Citation:
PMID:  23139328     Owner:  NLM     Status:  In-Process    
Energy harvesting from noise is a paradigm proposed by the theory of stochastic resonances. We demonstrate that the random switching of a hydrogen (H(2)) molecule can drive the oscillation of a macroscopic mechanical resonator. The H(2) motion was activated by tunneling electrons and caused fluctuations of the forces sensed by the tip of a noncontact atomic force microscope. The stochastic molecular noise and the periodic oscillation of the tip were coupled in a concerted dynamic that drives the system into self-oscillation. This phenomenon could be a way for enhancing the transfer of energy from incoherent sources into coherent dynamics of a molecular engine.
Christian Lotze; Martina Corso; Katharina J Franke; Felix von Oppen; Jose Ignacio Pascual
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  338     ISSN:  1095-9203     ISO Abbreviation:  Science     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-09     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  United States    
Other Details:
Languages:  eng     Pagination:  779-82     Citation Subset:  IM    
Fachbereich Physik, Freie Universität Berlin, Berlin, Germany.
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Comment In:
Science. 2012 Nov 9;338(6108):754-5   [PMID:  23139322 ]

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