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Results tagged with plasma-physics
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user 160881
Theory, lab and space experiments, and calculations related the physics of plasmas, i.e., matter constituted by ionized atoms.
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Plasmons : doubts about the derivation of the Heisenberg equation of electrons' density
I'm studying plasmons from "Haken-Quantum Field Theory of Solids", and i need some help in the calculation of the equation of motion of eletrons' density
\begin{equation}
\hat{\rho}_{\overrightarrow{q …
- 45
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Plasmons : doubts about the derivation of the Heisenberg equation of electrons' density
As regard the first doubt,
From the delta Kronecker we have
$$
\vec{k}_1-\vec{k}_4 = \vec{k}_3-\vec{k}_2
$$
so
\begin{align*}
\vec{q}'&=\vec{k}_1-\vec{k}_4
\\
&=\frac{1}{2}\left(\vec{k}_1 - \vec{k} …
- 45