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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

Quantum interference of superfluid 3He

Article Abstract:

Research describing a double path quantum interference experiment with a liquid is presented. In particular a superfluid quantum interferometer analogous to a d.c. superconducting quantum interference device is developed.

Author: Davis, J.C., Simmonds, R.W., Marchenkov, A., Hoskison, E., Packard, R.E.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2001
Superconducting quantum interference devices, Liquid helium

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Observation of 'third sound' in superfluid (super3)He

Article Abstract:

Surface waves on fluids are useful in the study of the fluid itself and the environment surrounding it. Surface waves cannot usually occur on very thin films as motion is inhibited by viscosity, although surface waves do exist in the case of thin films of superfluid (super4)He. Similar surface waves have been detected in thin films of superfluid (super3)He.

Author: Davis, J.C., Simmonds, R.W., Packard, R.E., Schechter, A.M.R.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1998
Observations, Water waves

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Discovery of a metastable pi-state in a superfluid 3He weak link

Article Abstract:

Evidence has been found for the existence of a metastable superfluid state in which a quantum phase difference of pi is maintained across a weak link separating two reservoirs of superfluid 3He. This state is the superfluid analogue of a superconducting pi-junction. The symmetry of the p-wave order parameter may permit locally stable phase differences of pi to exist across a weak link between two containers of superfluid 3He.

Author: Davis, J.C., Simmonds, R.W., Packard, R.E., Loshak, A., Backhaus, S., Pereverzev, S.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1998

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Subjects list: Research, Superfluidity
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