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Spectrum of Kelvin-wave turbulence in superfluids
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L'vov, V. S. and Nazarenko, Sergey (2010) Spectrum of Kelvin-wave turbulence in superfluids. JETP Letters, Vol.91 (No.8). pp. 428-434. doi:10.1134/S002136401008014X
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Official URL: http://dx.doi.org/10.1134/S002136401008014X
Abstract
We derive a type of kinetic equation for Kelvin waves on quantized vortex filaments with random large-scale curvature, that describes step-by-step (local) energy cascade over scales caused by 4-wave interactions. Resulting new energy spectrum E (LN)(k) ae k (-5/3) must replace in future theory (e.g., in finding the quantum turbulence decay rate) the previously used spectrum E (KS)(k) ae k (-7/5), which was recently shown to be inconsistent due to nonlocality of the 6-wave energy cascade.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science > Mathematics | ||||
| Journal or Publication Title: | JETP Letters | ||||
| Publisher: | MAIK Nauka - Interperiodica | ||||
| ISSN: | 0021-3640 | ||||
| Official Date: | April 2010 | ||||
| Dates: |
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| Volume: | Vol.91 | ||||
| Number: | No.8 | ||||
| Number of Pages: | 7 | ||||
| Page Range: | pp. 428-434 | ||||
| DOI: | 10.1134/S002136401008014X | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | US-Israel Binational Scientific Foundation, EC | ||||
| Grant number: | 228464 |
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