Decoupling of Confined Normal 3He

Anodic bonding was used to fabricate a 10 mm diameter × 640 nm tall annular geometry suitable for torsion pendulum studies of confined 3 He. For pure 3 He at saturated vapor pressure the inertia of the confined fluid was seen to be only partially coupled to the pendulum at 160 mK. Below 100 mK the l...

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Bibliographic Details
Published in:Journal of low temperature physics 2010, Vol.158 (1-2), p.155-158
Main Authors: Dimov, S. G., Bennett, R. G., Ilic, B., Verbridge, S. S., Levitin, L. V., Fefferman, A. D., Casey, A., Saunders, J., Parpia, J. M.
Format: Article
Language:English
Subjects:
Anodic
Bonding
Characterization and Evaluation of Materials
Condensed Matter Physics
Decoupling
Fluid dynamics
Fluid flow
Inertia
Magnetic Materials
Magnetism
Pendulums
Physics
Physics and Astronomy
Torsion
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Summary:Anodic bonding was used to fabricate a 10 mm diameter × 640 nm tall annular geometry suitable for torsion pendulum studies of confined 3 He. For pure 3 He at saturated vapor pressure the inertia of the confined fluid was seen to be only partially coupled to the pendulum at 160 mK. Below 100 mK the liquid’s inertial contribution was negligible, indicating a complete decoupling of the 3 He from the pendulum.
ISSN:0022-2291
1573-7357
DOI:10.1007/s10909-009-9937-4