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Coulomb blockade of cooper pair tunneling

โœ Scribed by L.J. Geerligs; V.F. Anderegg; J.E. Mooij

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

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โœฆ Synopsis

We examine charging effects for Cooper pairs in ultrasmall Josephson junctions. For small ratio of Josephson coupling energy to charging energy the current-voltage characteristics show a Coulomb gap for Cooper pair tunneling. We observe tunneling of Cooper pairs at voltages where resonance with environmental modes occurs.

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โœ A. D. Zaikin ๐Ÿ“‚ Article ๐Ÿ“… 1992 ๐Ÿ› Springer US ๐ŸŒ English โš– 715 KB

We study the I-V curve of a small capacitance Josephson tunnel junction with a zero subgap conductance. In the limit of large external impedance and at low temperature, single electron tunneling across the junction is suppressed for eV < 2A + Ec due to a combination of superconducting and Coulomb ga