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Results tagged with phonons
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user 45786
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.
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Why is crystalline graphite black yet shiny?
Is it that in some crystals the valence electrons that absorb incident photons lose a significant fraction of the gained energy via phonons, whereas in other crystals they cannot easily lose that energy … via phonons? …
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