What Is Landau Damping and Why Is It Important in Plasma Physics?

quantumplasma
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Homework Statement
Landau Damping
Relevant Equations
What is the phenomenon of Landau Damping?
What is meant by wave wave and wave particle interaction?
I have no clear idea of this phenomenon?
 
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And this: https://en.wikipedia.org/wiki/Landau_damping

And this:

1562768316140.png
 
Thanks Sir, i will check
 
Sure Sir, thanks Sir for reply. I need comprehensive comments on this topic. I am preparing myself for thesis defense, I need the help in this regard. I want to prepare something which is easy to understand for everyone because in the defense committee there are many doctors of other fields other than plasma.
Anyhow thanks, it is a better forum for sharing and discussing different issues.
 
Hi, I had an exam and I completely messed up a problem. Especially one part which was necessary for the rest of the problem. Basically, I have a wormhole metric: $$(ds)^2 = -(dt)^2 + (dr)^2 + (r^2 + b^2)( (d\theta)^2 + sin^2 \theta (d\phi)^2 )$$ Where ##b=1## with an orbit only in the equatorial plane. We also know from the question that the orbit must satisfy this relationship: $$\varepsilon = \frac{1}{2} (\frac{dr}{d\tau})^2 + V_{eff}(r)$$ Ultimately, I was tasked to find the initial...
The value of H equals ## 10^{3}## in natural units, According to : https://en.wikipedia.org/wiki/Natural_units, ## t \sim 10^{-21} sec = 10^{21} Hz ##, and since ## \text{GeV} \sim 10^{24} \text{Hz } ##, ## GeV \sim 10^{24} \times 10^{-21} = 10^3 ## in natural units. So is this conversion correct? Also in the above formula, can I convert H to that natural units , since it’s a constant, while keeping k in Hz ?

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