Fig. 8
From: Electrostatic solitary wave modeling in lunar wake plasma
(a) Plot of the fast Fourier transform (FFT) power spectra of the electric field for WB1 corresponding to Run II, for different values of V related to all three modes. Note that the value of kappa is fixed to \(\kappa =6\) for both runs, based on the observations. The x-axis represents the logarithm log\(_{10} f\), where f is the frequency (expressed in Hertz). The y-axis represents the power of the electric field expressed in decibel units (mV/m/\(\sqrt{\textrm{Hz}}\)); (b) plot of the fast Fourier transform (FFT) power spectra of the electric field for WB2/WB3 corresponding to Run II. We have taken \(\delta _b=0.02\), \(\delta _\alpha =0.055\), \(\delta _e=1.09\), \(\delta _b = 1.1\), \(U_{b0}=17.14\), \(\mu _\alpha =4\), \(Q_\alpha =2\) and \(\mu _b=1/1836\) in these plots.
