Table 1 Simulation parameters used for analysis of sensor impedance
From: Impedance of electric field sensors in magnetized plasmas: particle-in-cell simulations
Parameter | Symbol | Value |
|---|---|---|
System | ||
 Grid spacing | \(\Delta r\) | 0.031\(c \omega^{-1}_{\text{pe}}\) |
 Time step | \(\Delta t\) | 0.016 \(\omega ^{-1}_\text{pe}\) |
 System Length | \(L_\text{x}, L_\text{y}, L_\text{z}\) | 64 \(\lambda _\text{D}\), 64 \(\lambda _\text{D}\), 128 \(\lambda _\text{D}\) |
 Number of superparticles (electron) |  | 1024/cell |
 Number of superparticles (ion) |  | 256/cell |
Dipole sensor | ||
 Sensor half-length | \(l_\text{a}\) | 16\(\lambda _\text{D}\) |
 Sensor width in x and y directions |  | 1.0\(\lambda _\text{D}\) |
 Delta r for feeding point | \(\Delta r_\text{sensor}\) | 1.0\(\lambda _\text{D}\) |
Background plasma electrons | ||
 Plasma frequency | \(\omega _\text{pe}\) | 2.58\(\Omega _\text{ce}\), 2.93\(\Omega _\text{ce}\), 3.23\(\Omega _\text{ce}\) |
 Thermal velocity | \(v_\text{the}\) | 0.032c |
 Mass ratio of proton to electron | \(m_{\text{i}}/m_{\text{e}}\) | 1836 |