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:
Departments: Faculty of Science and Technology > Physics
ID Code: 65419
Deposited By: ep_importer_pure
Deposited On: 27 Jun 2013 14:58
Refereed?: Yes
Published?: Published
Last Modified: 01 Jan 2020 08:33
URI: https://eprints.lancs.ac.uk/id/eprint/65419

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