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Quantum turbulence cascades in the Gross-Pitaevskii model
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Proment, Davide, Nazarenko, Sergey and Onorato, Miguel (2009) Quantum turbulence cascades in the Gross-Pitaevskii model. Physical Review A (Atomic, Molecular and Optical Physics) , Vol.80 (No.5). Article no. 051603(R). doi:10.1103/PhysRevA.80.051603 ISSN 1050-2947.
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Official URL: http://dx.doi.org/10.1103/PhysRevA.80.051603
Abstract
We present a numerical study of quantum turbulence within the three-dimensional Gross-Pitaevskii equation, concentrating on the direct energy cascade in the case of a forced-dissipated system. We show that the behavior of the system is very sensitive to the properties of the model at the scales greater than the forcing scale, and we identify three different regimes: (1) a nonstationary regime with condensation and transition from a four-wave to a three-wave interaction process when the largest scales are not dissipated, (2) a steady weak wave turbulence regime when largest scales are dissipated with a friction-type dissipation, and (3) a state with a scale-by-scale balance of the linear and the nonlinear time scales when the large-scale dissipation is a hypoviscosity.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Mathematics | ||||
Journal or Publication Title: | Physical Review A (Atomic, Molecular and Optical Physics) | ||||
Publisher: | American Physical Society | ||||
ISSN: | 1050-2947 | ||||
Official Date: | November 2009 | ||||
Dates: |
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Volume: | Vol.80 | ||||
Number: | No.5 | ||||
Number of Pages: | 4 | ||||
Page Range: | Article no. 051603(R) | ||||
DOI: | 10.1103/PhysRevA.80.051603 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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