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Contrasting mechanical anisotropies of the superfluid He-3 phases in aerogel.

Bradley, D. Ian and Fisher, Shaun N. and Guénault, A.M. and Haley, Richard P. and Mulders, N. and O'Sullivan, Samantha and Pickett, George R. and Roberts, John Edward and Tsepelin, Viktor (2007) Contrasting mechanical anisotropies of the superfluid He-3 phases in aerogel. Physical Review Letters, 98 (7). 075302. ISSN 1079-7114

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Abstract

There has been much recent interest in how impurity scattering may affect the phases of the p-wave superfluid He-3. Impurities may be added to the otherwise absolutely pure superfluid by immersing it in aerogel. Some predictions suggest that impurity scattering may destroy orientational order and force all of the superfluid phases to have an isotropic superfluid density. In contrast to this, we present experimental data showing that the response of the A-like phase to superfluid flow is highly anisotropic, revealing a texture that is easily modified by flow.

Item Type: Article
Journal or Publication Title: Physical Review Letters
Uncontrolled Keywords: B-PHASE ; THERMAL-CONDUCTIVITY ; DISORDER ; LIMIT ; MODEL
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 23476
Deposited By: Dr Richard P. Haley
Deposited On: 23 Jan 2009 14:13
Refereed?: Yes
Published?: Published
Last Modified: 17 Jul 2013 10:22
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/23476

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