Collision Damping of Electron Plasma Waves
- 1 January 1965
- journal article
- research article
- Published by AIP Publishing in Physics of Fluids
- Vol. 8 (1), 143-148
- https://doi.org/10.1063/1.1761080
Abstract
The damping of electron plasma waves, which results from electron‐ion and electron‐electron collisions, has been studied. A perturbation expansion about a self‐consistent field is used. For long wavelengths, the principal contribution to the damping results from electron‐ion collisions, with the contribution from electron‐electron correlations smaller by a factor of the order (k/kD)2, where kD is the Debye wavenumber. Furthermore, in a high‐temperature gas, it is found that the exchange contribution to electron‐electron scatters is smaller than the direct contribution by a logarithmic factor.Keywords
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