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Resonant tunneling of Cooper pairs in a double Josephson junction system

✍ Scribed by V.Ya. Aleshkini; D.V. Averin

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
373 KB
Volume
165-166
Category
Article
ISSN
0921-4526

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✦ Synopsis

he ~heory is devel?ped .which des.cribes th~~ooper pair tunneling in a system of two small-area Josephson tunnel Junctions connected In senes. In partIcular, eXlstmg theory of the Josephson tunneling in small tunnel junctions is extended to the case of arbitr~Ec/l1j .ratio~where Ec is the characteristic charging energy of the system, I1j are the energy gaps of superconductors fOrmIng the Junctions.

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Incoherent tunneling of the cooper pairs
Incoherent tunneling of the cooper pairs and magnetic flux quanta in ultrasmall Josephson junctions
✍ D.V. Averin; Yu.V. Nazarov; A.A. Odintsov πŸ“‚ Article πŸ“… 1990 πŸ› Elsevier Science 🌐 English βš– 354 KB

We have calculated the dc I-V curve and fluctuation spectrum of a Josephson junction shunted by an arbitrary frequency-dependent impedance for very small and very large Josephson coupling. The junction dynamics can be interpreted as an incoherent tunneling of the Cooper pairs (in former case) and ma