Current and current fluctuations in quantum shuttles
arXiv:cond-mat/0411190 · doi:10.1063/1.1949207
Abstract
We review the properties of electron shuttles, i.e. nanoelectromechanical devices that transport electrons one-by-one by utilizing a combination of electronic and mechanical degrees of freedom. We focus on the extreme quantum limit, where the mechanical motion is quantized. We introduce the main theoretical tools needed for the analysis, e.g. generalized master equations and Wigner functions, and we outline the methods how the resulting large numerical problems can be handled. Illustrative results are given for current, noise, and full counting statistics for a number of model systems. Throughout the review we focus on the physics behind the various approximations, and some simple examples are given to illustrate the theoretical concepts. We also comment on the experimental situation.
arXiv commentMinireview; technical level aimed at general audience, based on an invited talk at "Transport Phenomena in Micro and Nanodevices", October 17-21 Kona, Hawaii
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Cited by in corpus (8)
- Full Counting Statistics of Andreev Tunneling
- Computation of current cumulants for small nonequilibrium systems
- Counting statistics of cotunneling electrons
- Three-level mixing and dark states in transport through quantum dots
- Quantum dynamics in nonequilibrium environments
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