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Quantum-phase transition in 1D Josephson junction arrays
KTH, Superseded Departments, Physics.ORCID iD: 0000-0001-8534-6577
2000 (English)In: Physica. B, Condensed matter, ISSN 0921-4526, Vol. 284, 1808-1809 p.Article in journal (Refereed) Published
Abstract [en]

One-dimensional arrays of small capacitance SQUIDs have been studied experimentally. The effective Josephson coupling between neighboring electrodes is tunable in situ. The arrays can be tuned from a Josephson-like state, with low resistance and sharp critical current, to a Coulomb blockade state, with infinite resistance and sharp threshold voltage. A quantum phase transition occurs at the crossover between these two types of behavior, which is evident from an analysis of the temperature dependence of the zero bias resistance.

Place, publisher, year, edition, pages
2000. Vol. 284, 1808-1809 p.
Keyword [en]
Coulomb blockade, Josephson junction arrays, superconductor-insulator transition
URN: urn:nbn:se:kth:diva-19804ISI: 000087423100342OAI: diva2:338496
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Haviland, David B.
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