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Synchronous Cooper pair tunneling in a 1D-array of Josephson junctions
KTH, Superseded Departments, Physics.ORCID iD: 0000-0001-8534-6577
2000 (English)In: Physica. B, Condensed matter, ISSN 0921-4526, Vol. 284, 1816-1817 p.Article in journal (Refereed) Published
Abstract [en]

We have studied 1D-arrays of Josephson junctions with a gate capacitively coupled to the middle of the array. The SQUID shape of each junction enables tuning of the Josephson coupling energy, El. By adding a signal to the gate with a radio-frequency f we create a step in the I-V characteristics at the value I = 2ef: The step is clearly visible as a peak in the differential resistance dI/dV and can be seen in the whole frequency range studied (10-90 MHz).

Place, publisher, year, edition, pages
2000. Vol. 284, 1816-1817 p.
Keyword [en]
Coulomb blockade, current standard, Josephson junction
URN: urn:nbn:se:kth:diva-19805ISI: 000087423100346OAI: diva2:338497
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Haviland, David B.
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