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Wave turbulence in quantum fluids
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Kolmakov, G. V., McClintock, P. V. E. and Nazarenko, Sergey (2014) Wave turbulence in quantum fluids. Proceedings of the National Academy of Sciences of the United States of America, Volume 111 (Supplement 1). pp. 4727-4734. doi:10.1073/pnas.1312575110
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Official URL: http://dx.doi.org/10.1073/pnas.1312575110
Abstract
Wave turbulence (WT) occurs in systems of strongly interacting nonlinear waves and can lead to energy flows across length and frequency scales much like those that are well known in vortex turbulence. Typically, the energy passes although a nondissipative inertial range until it reaches a small enough scale that viscosity becomes important and terminates the cascade by dissipating the energy as heat. Wave turbulence in quantum fluids is of particular interest, partly because revealing experiments can be performed on a laboratory scale, and partly because WT among the Kelvin waves on quantized vortices is believed to play a crucial role in the final stages of the decay of (vortex) quantum turbulence. In this short review, we provide a perspective on recent work on WT in quantum fluids, setting it in context and discussing the outlook for the next few years. We outline the theory, review briefly the experiments carried out to date using liquid H2 and liquid 4He, and discuss some nonequilibrium excitonic superfluids in which WT has been predicted but not yet observed experimentally. By way of conclusion, we consider the medium- and longer-term outlook for the field.
| Item Type: | Journal Article | ||||||||
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| Divisions: | Faculty of Science > Mathematics | ||||||||
| Journal or Publication Title: | Proceedings of the National Academy of Sciences of the United States of America | ||||||||
| Publisher: | National Academy of Sciences | ||||||||
| ISSN: | 0027-8424 | ||||||||
| Official Date: | 25 March 2014 | ||||||||
| Dates: |
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| Volume: | Volume 111 | ||||||||
| Number: | Supplement 1 | ||||||||
| Page Range: | pp. 4727-4734 | ||||||||
| DOI: | 10.1073/pnas.1312575110 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access |
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