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Kinetic inductance and Coulomb blockade in one dimensional Josephson junction arrays
KTH, Tidigare Institutioner                               , Fysik.ORCID-id: 0000-0001-8534-6577
2001 (engelsk)Inngår i: Journal of Low Temperature Physics, ISSN 0022-2291, E-ISSN 1573-7357, Vol. 124, nr 02-jan, s. 291-304Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
2001. Vol. 124, nr 02-jan, s. 291-304
Emneord [en]
small tunnel-junctions, electron
Identifikatorer
URN: urn:nbn:se:kth:diva-20878ISI: 000170496900020OAI: oai:DiVA.org:kth-20878DiVA, id: diva2:339575
Merknad
QC 20100525Tilgjengelig fra: 2010-08-10 Laget: 2010-08-10 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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