Ferromagnetic magnon
= Ferromagnetic magnon
{wiki}
A ferromagnetic magnon is a quantized spin wave. Without a linear restoring term its long-wavelength frequency is proportional to $k^2$.
= Ferromagnetic magnon
{wiki}
A ferromagnetic magnon is a quantized spin wave. Without a linear restoring term its long-wavelength frequency is proportional to $k^2$.