Lifetimes of persistent currents in superconducting loops interrupted by Josephson junctions

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Abstract

The lifetimes of quantized persistent current states of a superconducting loop interrupted by a single Josephson junction are estimated using the techniques of random-noise theory. Numerical results are presented for physically realizable examples. In the calculations it is assumed that RC(2eI1/h{combining short stroke overlay}C)1/2≪1 a condition which may be satisfied by either a low-capacitance crossed-film junction or by a weak link.

Original languageEnglish (US)
Pages (from-to)55-63
Number of pages9
JournalJournal of Low Temperature Physics
Volume3
Issue number1
DOIs
StatePublished - Jul 1 1970

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