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Vortex creation in a fast adiabatic expansion through the lambda transition.

Hendry, P. C. and Lawson, N. S. and Lee, R. A. M. and McClintock, Peter V. E. and Williams, C. D. H. (1994) Vortex creation in a fast adiabatic expansion through the lambda transition. Physica B: Condensed Matter, 194-19 (1). pp. 711-712. ISSN 0921-4526

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Abstract

Copious vortex line creation in a fast (ca. 3 ms) adiabatic expansion of a volume of liquid 4He through the lambda transition has been observed. The maximum line density, inferred from measurements of second sound attenuation, is found to be much larger than that in a comparable expansion from just below the lambda line. The phenomenon was predicted by Zurek who proposed it as a model of cosmic string creation in the false vacuum/true vacuum phase transition of the early universe.

Item Type: Article
Journal or Publication Title: Physica B: Condensed Matter
Additional Information: Proceedings of the 20th International Conference on Low Temperature Physics, 4-11 August 1993, Eugene OR USA.
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)
Faculty of Health and Medicine > Health Research
ID Code: 32125
Deposited By: Professor P. V. E. McClintock
Deposited On: 09 Mar 2010 13:17
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 17:05
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/32125

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