Two-dimensional magnetosonic turbulence in multi-ion and dusty plasmas

Two-dimensional weak turbulence of magnetosonic waves, propagating perpendicular to an external magnetic field in multi-ion and dusty plasmas, is considered. Kolmogorov spectra of the turbulence in a long-wave region are obtained. They are determined by decay interactions of the magnetosonic mode with an additional wave mode existing in the low-frequency region in such plasmas.