Dielectric Function and Diffusion of a Guiding-Center Plasma
- 4 February 1974
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 32 (5), 199-202
- https://doi.org/10.1103/physrevlett.32.199
Abstract
The dielectric function for the two-dimensional guiding-center plasma is discussed. An error is noted in a calculation based on the Vlasov equation by Lee and Liu and an improved derivation is given using the Kubo formalism. Although this new dielectric function embodies the correct screening effect, it does not (contrary to earlier suggestions) essentially change the Taylor-McNamara result for the diffusion coefficient.Keywords
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