Modulation Instability of Ion-Acoustic Waves in Plasma with Nonthermal Electrons

Figure 1

Plot of 𝑃/𝑄 versus wave number 𝑘 for different values of nonthermal parameter (𝛽). Curves labelled a, b, and c correspond to 𝛽=0, 0.055, and 0.11, respectively. 𝜒=0.22, 𝜎_𝑝=0.01, and 𝜎_𝑖=0.02.