Quantum shuttle in phase space

Quantum shuttle in phase space

We present a quantum theory of the shuttle instability in electronic transport through a nanostructure with a mechanical degree of freedom. A phase space formulation in terms of the Wigner function allows us to identify a crossover from the tunneling to the shuttling regime, thus extending the previ...

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Veröffentlicht in:Physical review letters 2003-06, Vol.90 (25 Pt 1), p.256801-256801, Article 256801
Hauptverfasser: Novotný, Tomás, Donarini, Andrea, Jauho, Antti-Pekka
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container_issue 25 Pt 1
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container_title Physical review letters
container_volume 90
creator Novotný, Tomás
Donarini, Andrea
Jauho, Antti-Pekka
description We present a quantum theory of the shuttle instability in electronic transport through a nanostructure with a mechanical degree of freedom. A phase space formulation in terms of the Wigner function allows us to identify a crossover from the tunneling to the shuttling regime, thus extending the previously found classical results to the quantum domain. Further, a new dynamical regime is discovered, where the shuttling is driven exclusively by the quantum noise.
doi_str_mv 10.1103/PhysRevLett.90.256801
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title Quantum shuttle in phase space
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