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Interfacial energy of the superfluid He-3 A-B phase interface in the zero-temperature limit.

Bartkowiak, M. and Fisher, Shaun N. and Guénault, A.M. and Haley, Richard P. and Pickett, George R. and Skyba, P. (2004) Interfacial energy of the superfluid He-3 A-B phase interface in the zero-temperature limit. Physical Review Letters, 93 (4). 046301. ISSN 1079-7114

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Abstract

We have measured the surface energy of the interface between the A and B phases of superfluid He-3 in the low temperature limit at zero pressure. Using a shaped magnetic field, we control the passage of the phase boundary through a small aperture. We obtain the interphase surface energy from the over- or undermagnetization required to force the interface through the aperture in both directions, yielding values of the surface tension and the interfacial contact angle. This is the first measurement of the interfacial energy in high magnetic fields and in the zero-temperature limit.

Item Type: Article
Journal or Publication Title: Physical Review Letters
Uncontrolled Keywords: MAGNETIC-FIELD ; SURFACE-ENERGY ; TRANSITION ; BOUNDARY ; ANGLE
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 23486
Deposited By: Dr Richard P. Haley
Deposited On: 26 Jan 2009 10:02
Refereed?: Yes
Published?: Published
Last Modified: 17 Jul 2013 10:23
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/23486

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