Resonance overlap and non-linear features of the beam-plasma system
Nakia Carlevaro,
Giovanni Montani,
Matteo Valerio Falessi
Abstract:The beam-plasma instability can be addressed as a reduced model in several contexts of plasma physics, from space to fusion plasma. In this paper, we review and refine some non-linear features of this model. Specifically, by analyzing the dependence of the nonlinear velocity spread as a function of the linear growth rate, we discuss the effective size of the resonance in view of its role in the spectral overlap at saturation. The relevance of this characterization relies on the necessity of a quantitative dete… Show more
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