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Localized nonlinear waves on quantized superfluid vortex filaments in the presence of mutual friction and a driving normal fluid flow

Abstract:

We demonstrate the existence of localized structures along quantized vortex filaments in superfluid helium under the quantum form of the local induction approximation (LIA), which includes mutual friction and normal fluid effects. For small magnitude normal fluid velocities, the dynamics are dissipative under mutual friction. On the other hand, when normal fluid velocities are sufficiently large, we observe parametric amplification of the localized disturbances along quantized vortex filamen...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1103/PhysRevE.93.032218

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Institution:
University of Oxford
Department:
Oxford, MPLS
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review E Journal website
Volume:
93
Issue:
3
Publication date:
2016-03-22
DOI:
EISSN:
2470-0053
ISSN:
2470-0045
URN:
uuid:3056fd96-d48d-429d-893b-f9812ecc8e0c
Source identifiers:
616150
Local pid:
pubs:616150
Keywords:

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