Electronic Resource
Springer
Journal of low temperature physics
89 (1992), S. 57-66
ISSN:
1573-7357
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract The study of superflow of 4 He in proous vycor glass has a long venerable history, dating back to the early days of superfluidity. In this work we wish to address a number of outstanding questions. In doing so we have used a low frequency (250 Hz) Helmoholtz oscillator technique which uses filled pores and allows measurements to be made on small samples under a variable pressure gradient and at any temperature - not only below the superfluid transition (a feature also of torsional oscillator 1 and acoustic techniques2. An introduction to the resonator has already been published 3 . The techique has also been used to investigate aerogel porous glass 11 but the main emphasis of this report will be on vycor.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00692578
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