Magnetic distortion of the B-like phase of superfluid He-3 confined in aerogel.

Bradley, D. Ian and Fisher, Shaun N. and Guénault, A.M. and Haley, Richard P. and Pickett, George R. and Roberts, John Edward and O'Sullivan, Samantha and Tsepelin, Viktor (2008) Magnetic distortion of the B-like phase of superfluid He-3 confined in aerogel. Journal of Low Temperature Physics, 150 (3-4). pp. 445-452. ISSN 0022-2291

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Abstract

We present measurements of the response of the B-like phase of superfluid He-3 in aerogel to an applied flow. The measurements are made using a cylindrical piece of 98% silica aerogel attached to a vibrating wire resonator. The resonator is immersed in superfluid He-3 at 16 bar pressure and at low temperatures. A variable magnetic field is applied such that the aerogel-confined superfluid may exist in the A-like or B-like phase, while the surrounding fluid is always in the bulk B-phase. The resonator response reveals a velocity dependence of the inferred aerogel-confined superfluid fraction. We discuss measurements of the temperature and magnetic field dependence of the response in the B-like phase. We find a significant field dependence indicating a strong magnetic distortion of the B-like phase order parameter.

Item Type: Journal Article
Journal or Publication Title: Journal of Low Temperature Physics
Uncontrolled Keywords: /dk/atira/pure/researchoutput/libraryofcongress/qc
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 23459
Deposited By: Dr Richard P. Haley
Deposited On: 19 Jan 2009 15:24
Refereed?: Yes
Published?: Published
Last Modified: 16 Jul 2019 00:40
URI: https://eprints.lancs.ac.uk/id/eprint/23459

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