Journal
EUROPHYSICS LETTERS
Volume 58, Issue 1, Pages 99-104Publisher
EDP SCIENCES S A
DOI: 10.1209/epl/i2002-00611-3
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Effects of a coupling between the mechanical vibrations of a quantum dot placed between the two leads of a single-electron transistor and coherent tunneling of electrons through a single level in the dot has been studied. We have found that for bias voltages exceeding a certain critical value a dynamical instability occurs and mechanical vibrations of the dot develop into a stable limit cycle. The current-voltage characteristics for such a transistor were calculated and they seem to be in reasonably good agreement with recent experimental results for the single-C-60-molecule transistor by Park et al. (Nature 407 ( 2000) 57).
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