Cooper Pair Transport in a Resistor-Biased Josephson Junction Array

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dc.creatorLotkhov, Sergey V.
dc.creatorKrupenin, Vladimir A.
dc.creatorZorin, Alexander B.
dc.date2006-10-30
dc.date.accessioned2026-07-07T07:27:43Z
dc.date.available2026-07-07T07:27:43Z
dc.descriptionThe dc transport properties of long arrays of small Al Josephson junctions, biased through on-chip Cr resistors, are studied. The IV-characteristics show a large Coulomb threshold for current as well as negative-slope regions indicating the regime of autonomous Bloch oscillations up to rather high frequencies of f = I/2e ~1 GHz, comparable to those reported by other groups for single junctions. On the other hand, a small depth of the back-bending implies a low duty cycle and a broad spectrum of the oscillations, which we attribute to the insufficiently high impedance of the bias resistors. A self-sustained switching process at a small bias current is used to study the statistics of the switching voltages and to determine the effective Bloch capacitance which was found to considerably exceed the geometric junction capacitance.
dc.description13 pages 5 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0610793
dc.identifierhttp://arxiv.org/abs/cond-mat/0610793
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/117474
dc.subjectSuperconductivity
dc.subjectMesoscale and Nanoscale Physics
dc.titleCooper Pair Transport in a Resistor-Biased Josephson Junction Array
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