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Wave turbulence in superfluid 4He: energy cascades and rogue waves in the laboratory

Research output: Contribution to journalJournal article

Published

<mark>Journal publication date</mark>2008
<mark>Journal</mark>AIP Conference Proceedings
Volume1076
Number of pages10
Pages53-62
<mark>Original language</mark>English

Abstract

Recent work on second sound acoustic turbulence in superfliud '^He is reviewed. Observations of forward and inverse energy cascades are described. The onset of the inverse cascade occurs above a critical driving energy and it is accompanied by giant waves that constitute an acoustic analogue of the rogue waves that occasionally appear on the surface of the ocean. The theory of the phenomenon is outUned and shown to be in good agreement with the experiments.

Bibliographic note

Copyright 2009 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in AIP Conference Proceedings, 1076 (53), 2009 and may be found at http://scitation.aip.org/content/aip/proceeding/aipcp/10.1063/1.3046270