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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

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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:
DateEvent
April 2010Published
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

Data sourced from Thomson Reuters' Web of Knowledge

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