Table 1 Simulation parameters
From: Nonlinear triggering process of whistler-mode emissions in a homogeneous magnetic field
Parameter | Value |
|---|---|
Grid size | 0.05 \(c\Omega _e^{-1}\) |
Length of the simulation region | 1638.4 \(c\Omega _e^{-1}\) |
Time step | 0.04 \(\Omega _e^{-1}\) |
Simulation time | 2621.44 \(\Omega _e^{-1}\) |
Electron charge-to-mass ratio \(-e/m_0\) | − 1 |
Number of cold electrons | 1,073,741,824 |
Number of energetic electrons | 2,147,483,648 |
Density ratio of energetic electrons to cold electrons \(N_h/N_c\) | 0.01 |
Thermal momenta of energetic electrons \(U_{t\parallel },U_{t\perp }\) | 0.30c, 0.35c |
Temperature anisotropy \(A=T_\perp /T_\parallel -1\) | 0.36 |
Amplitude of the triggering wave \(B_{wi}\) | \(5.0\times 10^{-3}B_0\) |
Frequency of the external current \(\omega\) | 0.3 \(\Omega _e\) |
Duration times of the triggering waves of Cases 1, 2, 3, 4 \(\Delta t\) | 980, 230, 105, 40 \(\Omega _e^{-1}\) |