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Kinetic inductance and Coulomb blockade in one dimensional Josephson junction arrays
KTH, Superseded Departments, Physics.ORCID iD: 0000-0001-8534-6577
2001 (English)In: Journal of Low Temperature Physics, ISSN 0022-2291, E-ISSN 1573-7357, Vol. 124, no 02-jan, 291-304 p.Article in journal (Refereed) Published
Abstract [en]

One dimensional Josephson junction arrays have been fabricated and current-voltage characteristics (IVC) have been measured at cryogenic temperatures. The arrays were fabricated in a SQUID-geometry which allowed an in. situ tuning of thc Josephson energy by application of a magnetic field. The IVC of thc arrays shows a clear Coulomb blockade state. In the Coulomb blockade regime the IVC are hysteretic, The array is modeled using a Serial resistive-inductive-junction model which is able to qualitatively explain the IVC. In this model an inductance of the order of 0.1-10 mH per Junction is needed to account for the hysteresis. Kinetic inductance. stemming from the inertia of the Cooper pairs. gives the correct order of magnitude. The problem of self-heating is also discussed as an alternative explanation of the hysteresis.

Place, publisher, year, edition, pages
2001. Vol. 124, no 02-jan, 291-304 p.
Keyword [en]
small tunnel-junctions, electron
URN: urn:nbn:se:kth:diva-20878ISI: 000170496900020OAI: diva2:339575
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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