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

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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.
 
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