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Coherent spin precession in superfluid He-3-B excited in a field minimum at low temperatures.

Fisher, Shaun N. and Guénault, A.M. and Matthews, C. J. and Skyba, P. and Pickett, George R. and Zaki, K. L. (2005) Coherent spin precession in superfluid He-3-B excited in a field minimum at low temperatures. Journal of Low Temperature Physics, 138 (3-4). pp. 777-782. ISSN 0022-2291

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Abstract

The persistent precessing domain (PPD) is an isolated region of coherent spin precession which is observed in the B phase of superfluid He-3 at the lowest achievable temperatures. It has many unusual properties and its free decay can exceed 1000 s at the lowest temperatures. Previous observations of the PPD were highly irreproducible but we now find the PPD to be very reproducible when there is a field minimum along the cell axis. Here we discuss measurements of the PPD as we control the magnetic field profile, allowing the depth of the minimum to be adjusted.

Item Type: Article
Journal or Publication Title: Journal of Low Temperature Physics
Uncontrolled Keywords: superfluid ; helium-3 ; LONG-LIVED INDUCTION SIGNAL ; DYNAMICS ; DOMAIN
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 23559
Deposited By: Dr Richard P. Haley
Deposited On: 03 Feb 2009 15:04
Refereed?: Yes
Published?: Published
Last Modified: 17 Jul 2013 10:23
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/23559

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