Observation of the Superfluid Shapiro Effect in a H
Journal Article
·
· Physical Review Letters
We have studied the mass currents through a superfluid {sup 3}He Josephson weak link in the presence of an externally applied ac pressure modulation. Characteristic changes in the dc mass currents are observed whenever the superfluid Josephson frequency {omega}{sub J} is an integer multiple of the ac modulation frequency {omega} . The measured dependencies of these current changes on ac pressure amplitude are in excellent agreement with theory describing quantum phase dynamics of superfluid {sup 3}He weak links. These results establish the superfluid analog of the superconducting Shapiro effect.
- Sponsoring Organization:
- (US)
- OSTI ID:
- 40277097
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 3 Vol. 87; ISSN 0031-9007
- Publisher:
- The American Physical Society
- Country of Publication:
- United States
- Language:
- English
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