3 ms·
Only in lattices I think - i.e. a specific substrate such as crystals: https://en.wikipedia.org/wiki/Phonon https://en.wikipedia.org/wiki/Phonon
by fsloth 11y ago
Only in lattices I think - i.e. a specific substrate such as crystals:
https://en.wikipedia.org/wiki/Phonon https://en.wikipedia.org/wiki/Phonon