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SUMMARY:Stability of the Kolmogorov-Zakharov spectrum of weak turbulence -
  Charles Collot\, University of Cergy Pontoise
DTSTART:20221031T133000Z
DTEND:20221031T143000Z
UID:TALK177968@talks.cam.ac.uk
CONTACT:pierre raphael
DESCRIPTION:Weakly turbulent waves can be described by the kinetic wave eq
 uation. The first part of the talk will present results on the derivation 
 of this effective equation from a microscopic system described by the nonl
 inear Schrodinger equation. This kinetic wave equation has isotropic stead
 y states called Kolmogorov-Zakharov spectra\, that represent cascades of m
 ass and energy between from small spatial scales toward large ones and con
 versely. The second part of the talk will discuss the stability of the spe
 ctrum associated to the indirect mass cascade. This is based on joint work
 s with I. Ampatzoglou\, H. Dietert\, and P. Germain.\n
LOCATION:CMS\, MR13
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