Phase sticking in one-dimensional Josephson junction chains
2013 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 88, no 10, 104501- p.Article in journal (Refereed) Published
We studied current-voltage characteristics of long one-dimensional Josephson junction chains with Josephson energy much larger than charging energy, E-J >> E-C. In this regime, typical I-V curves of the samples consist of a supercurrent-like branch at low-bias voltages followed by a voltage-independent chain current branch, I-chain at high bias. Our experiments showed that I-chain is not only voltage-independent but it is also practically temperature-independent up to T = 0.7T(C). We have successfully model the transport properties in these chains using a capacitively shunted junction model with nonlinear damping.
Place, publisher, year, edition, pages
2013. Vol. 88, no 10, 104501- p.
Superconducting Circuits, Coulomb-Blockade, Tunnel-Junctions, Arrays, Transition, Slips
IdentifiersURN: urn:nbn:se:kth:diva-129444DOI: 10.1103/PhysRevB.88.104501ISI: 000323890700005ScopusID: 2-s2.0-84884886402OAI: oai:DiVA.org:kth-129444DiVA: diva2:652870
FunderSwedish Research Council
QC 201310022013-10-022013-09-302013-11-04Bibliographically approved