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Nonappearance of vortices in fast mechanical expansions of liquid He=4 through the lambda transition.

Dodd, M. E. and Hendry, P. C. and Lawson, N. S. and McClintock, Peter V. E. and Williams, C. D. H. (1998) Nonappearance of vortices in fast mechanical expansions of liquid He=4 through the lambda transition. Physical Review Letters, 81 (17). pp. 3703-3706. ISSN 1079-7114

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Abstract

A new experiment has been performed to study the formation of topological defects (quantized vortices) during rapid quenches of liquid He-4 through the superfluid transition, with particular care taken to minimize vortex creation via conventional hydrodynamic flow processes. It is found that the generated vortices, if any, are being produced at densities at least 2 orders of magnitude less than might be expected on the basis of the Kibble-Zurek mechanism.

Item Type: Article
Journal or Publication Title: Physical Review Letters
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
Faculty of Health and Medicine > Health Research
ID Code: 32024
Deposited By: Professor P. V. E. McClintock
Deposited On: 16 Mar 2010 09:52
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 17:05
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/32024

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