New invariant for drift turbulence

A. M. Balk, S. V. Nazarenko, V. E. Zakharov

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)


A new invariant for drift wave (or Rossby wave) turbulence in two cases, (1) in zonal flow and (2) in the large scale range, is discovered. This invariant is proved to be a unique additional invariant (besides energy and momentum). Thus the first examples of wave systems with a finite number of additional invariants are obtained. A new Kolmogorov-type spectrum with the flux of the additional invariant through the scales is derived and the structure of fluxes in the k-space of invariants is analyzed.

Original languageEnglish
Pages (from-to)276-280
Number of pages5
JournalPhysics Letters A
Issue number5-6
Publication statusPublished - 21 Jan 1991
Externally publishedYes


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