Accuracy of a mechanical single electron shuttle

Details Accuracy of a mechanical single electron shuttle Accuracy of a mechanical single electron shuttle

1999-04-12

arxiv.org/abs/cond-mat/9904149v1

Europhys. Lett. 47, 97 (1999)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

RevTeX, 8 pages, 5 figures

Scientific paper

10.1209/epl/i1999-00357-4

Motivated by recent experiments, we calculate both the average current and the current fluctuations for a metallic island which oscillates between two symmetric electrodes. Electrons can only tunnel on or off the island when it is close to one of the electrodes. Using a Master equation we investigate the accuracy of such an electron shuttle both analytically and numerically. It is shown that optimum operation is reached when the contact time is much larger than the RC-time.

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