PHYSICS 295B: Quantum Theory of Solids: Lec 9. Screening and plasmons

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Subir Sachdev

Subir Sachdev

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@wepes9
@wepes9 3 жыл бұрын
Dear Professor Sachdev, is not it true that if we expand susceptibility \Chi_0 further in powers of q^2 we obtain massive plasmons with parabolic dispersion in 3D?
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