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Evidence for an energy barrier impeding the creation of quantized vortices in He II.

Hendry, P. C. and Lawson, N. S. and Williams, C. D. H. and McClintock, Peter V. E. and Bowley, R. M. (1987) Evidence for an energy barrier impeding the creation of quantized vortices in He II. Japanese Journal of Applied Physics, 26 (Supple). pp. 73-74. ISSN 0021-4922

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Abstract

The rate nu at which negative ions create quantized vortex rings in isotopically pure He II has been measured for temperatures 70 < T < 500 mK, pressures 12 < P < 19 bar and electric fields 10^4 < E < 10^S V/m. The result can be taken to imply the existence of an energy barrier impeding the nucleation process of ~3K.

Item Type: Article
Journal or Publication Title: Japanese Journal of Applied Physics
Additional Information: Proceedings of the 18th lnternational Conference on Low Temperature Physics, Kyoto, 1987
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
Faculty of Health and Medicine > Health Research
ID Code: 32324
Deposited By: Professor P. V. E. McClintock
Deposited On: 23 Mar 2010 11:12
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 17:08
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/32324

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