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arXiv · 1302.6145

Oscillations in turbulence-condensate system

Pearson Miller·Natalia Vladimirova·Gregory Falkovich
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Abstract

We consider developed turbulence in the Gross-Pitaevsky model where condensate appears due to an inverse cascade. Despite being fully turbulent, the system demonstrates non-decaying periodic oscillations around a steady state, when turbulence and condensate periodically exchange a small fraction of waves. We show that these collective oscillations are not of a predator-prey type, as was suggested earlier; they are due to phase coherence and anomalous correlations imposed by the condensate.

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Pearson Miller, Natalia Vladimirova, Gregory Falkovich. 2013-02-25. Oscillations in turbulence-condensate system. https://doi.org/10.1103/physreve.87.065202

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