Mesoscopic behaviour of He-3 quasiparticles in a dilute He-3-He-4 solution in Vycor glass

Reeves, PA and Guénault, A.M. and Fisher, SN and Pickett, GR and Tvalashvili, G (2000) Mesoscopic behaviour of He-3 quasiparticles in a dilute He-3-He-4 solution in Vycor glass. Physica B: Condensed Matter, 284-28 (1). pp. 319-320. ISSN 0921-4526

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Abstract

We have been investigating the properties of the He-3 component in dilute He-3-He-4 solutions in Vycor glass using cw NMR techniques. According to the simple model of a Fermi gas in a restricted geometry, the porous medium significantly changes the density of states and thereby increases the zero-point energy of the quasiparticles. As a result, the He-3 quasiparticles should be progressively excluded from the Vycor glass as the temperature is lowered. We observe this effect using the strength of the cw NMR response from the confined He-3. (C) 2000 Elsevier Science B.V. All rights reserved.

Item Type:
Journal Article
Journal or Publication Title:
Physica B: Condensed Matter
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3104
Subjects:
ID Code:
65419
Deposited By:
Deposited On:
27 Jun 2013 14:58
Refereed?:
Yes
Published?:
Published
Last Modified:
12 Mar 2020 03:15