Asymmetrical nucleation of the A-B transition in superfluid He-3.

Bartkowiak, M. and Fisher, Shaun N. and Guénault, A.M. and Haley, Richard P. and Plenderleith, G. N. and Pickett, George R. and Skyba, P. (2000) Asymmetrical nucleation of the A-B transition in superfluid He-3. Physica B: Condensed Matter, 284-28 (1). pp. 242-243. ISSN 0921-4526

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Abstract

Using a magnetic field we can induce nucleation in superfluid He-3 both ways across the A-B phase boundary, at temperatures below 0.2T(c). The nucleation takes place in a quasiparticle black-body radiator in a variable magnetic field profile and is detected from the associated temperature jump. Before A-phase will nucleate, the parent B-phase must be overmagnetised by a history-dependent amount. Similarly, B-phase nucleation requires a degree of undermagnetisation. However, the transition is asymmetric and the history dependences are quite different. (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/researchoutput/libraryofcongress/qc
Subjects:
ID Code:
23500
Deposited By:
Deposited On:
28 Jan 2009 16:48
Refereed?:
Yes
Published?:
Published
Last Modified:
12 Mar 2020 02:12