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Results tagged with phonons
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user 21146
Collective excitations in periodic, elastic arrangements of atoms or molecules in condensed matter, like solids and some liquids. They are quasiparticle quantum modes of vibration of elastic structures of interacting particles.
6
votes
3
answers
6k
views
What actually is the wavevector in the context of phonons and lattice vibration?
Now, in Solid State Physics, in the context of phonons and lattice vibrations, there also appears wavevectors, but I'm not being able to understand what they actually mean. …
- 37.4k
4
votes
1
answer
529
views
How the number of atoms in the basis affects the density of states?
When dealing with phonons and specific heat of solids, it seems the really important quantity to obtain is the density of states $N(\omega)$. …
- 37.4k