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votes
1
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Is there such a thing as a bare polariton?
When dealing with photons in matter, I have seen it treated in many ways depending on the material, this leads to exciton polaritons (when dealing with electrons and holes), plasmaritons (dealing with ...
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8
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1
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Why is it that, when light travels in a medium, we say it's made of "quasiparticles"?
I get why, in this model, light isn't really "made of" photons, because photons, by definition have zero mass and travel at $c$, whereas these quasiparticles, if I understand correctly, do ...
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