Large-scale properties of wave turbulence

E. Balkovsky, G. Falkovich, V. Lebedev, I. Ya Shapiro

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Wave turbulence for systems with only direct (small-scale) turbulent cascades is analyzed at scales much larger than the scale of the pumping. At such scales, the turbulence spectrum is shown to turn into an equilibrium Rayleigh-Jeans distribution with the temperature determined by the pumping scale and energy dissipation rate (the turbulent flux). The behavior of the damping of the waves changes drastically at a scale determined by the mean free path of turbulent waves. Two particular examples of acoustic and capillary-wave turbulence are considered. We also carried out numerics which confirm the theoretical predictions.

Original languageEnglish
Pages (from-to)4537-4540
Number of pages4
JournalPhysical Review E
Volume52
Issue number4
DOIs
StatePublished - 1995
Externally publishedYes

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