The Open Plasma Physics Journal

2013, 6 : 30-31
Published online 2013 June 14. DOI: 10.2174/1876534320130429001
Publisher ID: TOPPJ-6-30

Addendum to "Causality, Kramers-Kronig Relations, and Landau Damping" [The Open Plasma Physics Journal, 2012, 5, 36-40]

Hee J. Lee
Department of Physics, Hanyang University, Seoul 133-791, Korea.

ABSTRACT

It is shown that the Landau contour can be derived directly from the causality requirement. The Kramers- Kronig relations are derived directly from the causal requirement without using analytic continuation.

Keywords:

Causality, Kramers-Kronig Relations, Landau damping.