A roton-driven mechanism for nucleation of negatively charged vortex rings in isotopically pure 4He.

McClintock, Peter V. E. and Moss, F. E. and Bowley, R. M. (1980) A roton-driven mechanism for nucleation of negatively charged vortex rings in isotopically pure 4He. Physics Letters A, 76 (3-4). pp. 303-305. ISSN 0375-9601

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Abstract

We have measured the temperature dependence of the vortex nucleation rate due to negative ions in isotopically pure superfluid 4He. We conclude that nucleation proceeds via two independent mechanisms: a temperature-independent "intrinsic" mechanism; and a roton-driven mechanism, dominant above 0.6 K.

Item Type:

Journal Article

Journal or Publication Title:

Physics Letters A

Uncontrolled Keywords:

/dk/atira/pure/subjectarea/asjc/3100/3100

Subjects:

?? general physics and astronomyphysics and astronomy(all)qc physics ??

Departments:

Faculty of Science and Technology > Physics

ID Code:

32498

Deposited By:

Professor P. V. E. McClintock

Deposited On:

12 Apr 2010 08:46

Refereed?:

Yes

Published?:

Published

Last Modified:

16 Jul 2024 08:35

URI:

https://eprints.lancs.ac.uk/id/eprint/32498