Phonon dispersion relation
= Phonon dispersion relation
A phonon dispersion relation gives its angular frequency $\omega$ as a function of its <wavevector> $k$. For an isotropic power law, $\omega=C|k|^\alpha$.
= Phonon dispersion relation
A phonon dispersion relation gives its angular frequency $\omega$ as a function of its <wavevector> $k$. For an isotropic power law, $\omega=C|k|^\alpha$.