Search for the ac Josephson effect in superfluid 3He

O.V. Lounasmaa, M. T. Manninen, S. A. Nenonen, J. P. Pekola, R. G. Sharma, M. S. Tagirov

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Abstract

Experiments testing for the existence of the ac Josephson effect in superfluid He3, analogous to phenomena observed in superconducting microbridges, have been performed. Small holes were employed as the weak link between two reservoirs filled with He3; several different orifice geometries were tried. Simple model calculations suggest that steps in the flow characteristics should be observable with our resolution when an ac pressure modulation is applied across the weak link. We found that such effects do not exist for the parameter values used in our experiments.
Original languageEnglish
Pages (from-to)6536-6538
Number of pages3
JournalPhysical Review B
Volume28
Issue number11
DOIs
Publication statusPublished - 1983
MoE publication typeA1 Journal article-refereed

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  • Cite this

    Lounasmaa, O. V., Manninen, M. T., Nenonen, S. A., Pekola, J. P., Sharma, R. G., & Tagirov, M. S. (1983). Search for the ac Josephson effect in superfluid 3He. Physical Review B, 28(11), 6536-6538. https://doi.org/10.1103/PhysRevB.28.6536