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Article

Vlasov Modes in the Theory of IonAcoustic Turbulence

Plasma Physics Reports. 2014. Vol. 40. No. 4. P. 298-305.
V. Yu. Popov, Silin V. P.

The existing theory of quasistationary plasma turbulence presumes that the growth rate of plasma waves is zero. In this paper, it is proposed to determine the spectrum of such waves by using the concept of undamped Vlasov waves. The results concerning the ionacoustic velocity in the framework of this concept are presented for two models of ionacoustic turbulence. It is shown that the use of the spectral properties of undamped ionacoustic waves removes the uncertainty in estimating the time and efficiency of strong turbu lent plasma heating.