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Experiments on the Kibble mechanism in liquid He-4.

Dodd, M. E. and Hendry, P. C. and Lawson, N. S. and Lee, R. A. M. and McClintock, Peter V. E. (1996) Experiments on the Kibble mechanism in liquid He-4. Czechoslovak Journal of Physics, 46 (Supple). pp. 35-36. ISSN 0011-4626

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Abstract

New experiments are in progress to study the creation of quantised vortices during a fast adiabatic passage through the lambda transition, thus modelling the production of cosmic strings via the Kibble mechanism in the early universe. The expansion cell differs from that used in the initial experiments in several respects. In particular: it has been designed to minimise the flow of liquid parallel to surfaces which is believed to have caused some vortex creation via conventional mechanisms; and a hydraulically actuated needle-valve is used to close off the filling capillary where it enters the cell, thus isolating the sample. The results will be presented and discussed.

Item Type: Article
Journal or Publication Title: Czechoslovak Journal of Physics
Additional Information: Proceedings of the 21st International Conference on Low Temperature Physics, Prague, 8-14 August 1996
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
Faculty of Arts & Social Sciences > Politics & International Relations (Merged into PPR 2010-08-01)
ID Code: 32058
Deposited By: Professor P. V. E. McClintock
Deposited On: 09 Mar 2010 09:25
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 17:05
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/32058

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