Cold-plasma left-handed wave
= Cold-plasma left-handed wave
{title2=$n^2=L=S+g$}
With the same conventions as the <cold-plasma right-handed wave>, this transverse <electromagnetic wave> has $E_y=-iE_x$ and <refractive index> $n^2=S+g$. With immobile <ions>, $L=1-\omega_{pe}^2/[\omega(\omega+\Omega_e)]$.