Theory of Plasma Resonance
Abstract
Starting from the Boltzmann transport equation, a formula is derived for the rate of change of electron density in a gas plasma. With its aid a study is made of the oscillations of electron density (about the steady state value) in a discharge confined between parallel plates. The oscillations are described in terms of a set of normal modes characteristic of the plasma under study. An expression is obtained for the impedance of the discharge as a function of frequency: for the one case calculated in detail, this formula gives a resonance in power absorption at a frequency of 0.7 of the plasma resonance frequency corresponding to the central electron density.
- Publication:
-
Physical Review
- Pub Date:
- August 1956
- DOI:
- 10.1103/PhysRev.103.845
- Bibcode:
- 1956PhRv..103..845W