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Superfluidity Without Superflow in Unsaturated Helium Films

Goodstein, David L. and Elgin, Robert L. (1969) Superfluidity Without Superflow in Unsaturated Helium Films. Physical Review Letters, 22 (9). pp. 383-385. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:GOOprl69

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Abstract

It is shown experimentally that the superfluid fraction ρs/ρ is continuous and finite at the point at which superflow vanishes in unsaturated helium films. It follows that there is a region of superfluidity without superflow. In addition it is shown that the behavior of the partial molar entropy may account for the disappearance of superflow without requiring that ρs/ρ vanish.


Item Type:Article
Additional Information:©1969 The American Physical Society Received 23 January 1969 [R.L.E. was a] National Science Foundation Predoctoral Fellow.
Record Number:CaltechAUTHORS:GOOprl69
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:GOOprl69
Alternative URL:http://dx.doi.org/10.1103/PhysRevLett.22.383
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:4795
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:07 Sep 2006
Last Modified:26 Dec 2012 09:01

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