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Vibrating superconducting island in a Josephson junction
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Materials Science.
2008 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 101, no 6, 067202- p.Article in journal (Refereed) Published
Abstract [en]

We consider a combined nanomechanical-supercondcuting device that allows the Cooper pair tunneling to interfere with the mechanical motion of the middle superconducting island. Coupling of mechanical oscillations of a superconducting island between two superconducting leads to the electronic tunneling generates a supercurrent that is modulated by the oscillatory motion of the island. This coupling produces alternating finite and vanishing supercurrent as function of the superconducting phases. Current peaks are sensitive to the superconducting phase shifts relative to each other. The proposed device may be used to study the nanoelectromechanical coupling in case of superconducting electronics.

Place, publisher, year, edition, pages
2008. Vol. 101, no 6, 067202- p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-109116DOI: 10.1103/PhysRevLett.101.067202ISI: 000258538600058OAI: oai:DiVA.org:uu-109116DiVA: diva2:248911
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2009-10-09Bibliographically approved

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