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Phase locking of the Bloch oscillations in ultrasmall Josephson junctions

✍ Scribed by D.V. Averin; A.A. Odintsov

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

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✦ Synopsis

We have shown that in the case when the quasiparticle conductance G of an ultrasma11 Josephson tunnel junction and ohmic conductance G of its ohmic enviroment ar~both present, the Bloch oscillations (in contrast to the SET osci~lations which are accompanying them in the junctions with weak Josephson coupling) can be perfectly phase locked only in weakly shunted Junctions, GS<G T .

πŸ“œ SIMILAR VOLUMES

Two ways toward experimental observation
Two ways toward experimental observation of the Bloch oscillations in ultrasmall Josephson junctions
✍ A.B. Zorin; L.S. Kuzmin; K.K. Likharev πŸ“‚ Article πŸ“… 1990 πŸ› Elsevier Science 🌐 English βš– 350 KB

Two possible strategies of experimental observation of the Bloch oscillations with frequency f=I/2e in ultrasmall Josephson tunnel junctions are analyzed. The analysis shows that the effect can be observed in junctions of conventional superconductors, using both the high-ohmic-resistor and normal-ju