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Dynamical properties of a vibrating molecular quantum dot in a Josephson junction
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Theory.
2010 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 81, no 15, 155440- p.Article in journal (Refereed) Published
Abstract [en]

We investigate dynamical transport aspects of a combined nanomechanical-superconducting device in which Cooper pair tunneling interfere with the mechanical motion of a vibrating molecular quantum dot embedded in a Josephson junction. Six different regimes for the tunneling dynamics are identified with respect to the electron level and the charging energy in the quantum dot. In five of those regimes new time scales are introduced which are associated with the energies of the single-electron transitions within the quantum dot while there is one regime where the internal properties of the quantum dot are static.

Place, publisher, year, edition, pages
2010. Vol. 81, no 15, 155440- p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-147423DOI: 10.1103/PhysRevB.81.155440ISI: 000277210500139OAI: oai:DiVA.org:uu-147423DiVA: diva2:400456
Available from: 2011-02-25 Created: 2011-02-25 Last updated: 2017-12-11Bibliographically approved

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Fransson, Jonas

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