Table 1.
Summary of the propagation regimes.
| Wave frequency | Particle velocity | Plasma current |
|---|---|---|
| ω0 < ωL/a0 | Nonrelativistic | Linear |
| ωL/a0 < ω0 < a0ωL | Relativistic | Nonlinear |
| ω0 > a0ωL | Relativistic | Linear |
Notes. The wave strength parameter is a0 > 1. The plasma is strongly magnetized (ωL > ωP) and composed of electron-positron pairs. In the lab frame, the velocity of the particles that oscillate in the field of the wave is nonrelativistic for ω0 < ωL/a0 and becomes relativistic for ω0 > ωL/a0. The plasma current, nuy, is a linear function of the wave electric field for ω0 < ωL/a0 and ω0 > a0ωL, whereas it is nonlinear for ωL/a0 < ω0 < a0ωL. The wave could be damped when the current is nonlinear.
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