Measuring the switching current of a superconducting single electron transistor in a tunable dissipative environment

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DOIResolve DOI: http://doi.org/10.1088/1742-6596/400/4/042046
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TypeArticle
Proceedings titleJournal of Physics: Conference Series
Conference26th International Conference on Low Temperature Physics (LT26), August 10-17 2011, Beijing, China
ISSN1742-6588
Volume400
Issue4
Article number42046
SubjectCharging energies; Induced charges; Josephson coupling energies; Low temperatures; Periodic function; Quantum fluctuation; Superconducting single-electron transistors; Switching currents; Low temperature effects; Low temperature engineering; Quantum electronics; Superconductivity; Single electron transistors
AbstractWe experimentally investigated the switching current Isw of a superconducting single electron transistor (sSET), with competitive Josephson coupling energy EJ and charging energy Ec, in an in situ tunable dissipative environment. At low temperature, averaged Isw shows a clear 1e periodic function of gate induced charge on the island. The relative contrast of this oscillation increases when EJ/Ec is lowered. Increasing dissipation reduce the quantum fluctuations of the phase across the sSET, leading to an increased Isw. © Published under licence by IOP Publishing Ltd.
Publication date
LanguageEnglish
AffiliationSecurity and Disruptive Technologies; National Research Council Canada
Peer reviewedYes
NPARC number21270118
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Record identifier56e38daf-f599-4fbb-9574-c499cb631e62
Record created2014-01-03
Record modified2016-05-09
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