Low-frequency electric microfield distributions in plasmas

Carlos A. Iglesias, Hugh E. DeWitt, Joel L. Lebowitz, David MacGowan, and William B. Hubbard
Phys. Rev. A 31, 1698 – Published 1 March 1985
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Abstract

We evaluate the low-frequency component electric microfield distribution at a charged point, i.e., the field distribution due to ions, possibly of different species, which interact through an electron-screened potential. The method employed is an adaptation of the adjustable-parameter exponential (APEX) approximation previously developed for the high-frequency component and involves a noninteracting-quasiparticle representation of the electron-screened ions designed to yield the correct second moment of the microfield distribution. The APEX results are compared to Monte Carlo simulations, and we find good agreement.

  • Received 1 October 1984

DOI:https://doi.org/10.1103/PhysRevA.31.1698

©1985 American Physical Society

Authors & Affiliations

Carlos A. Iglesias and Hugh E. DeWitt

  • Lawrence Livermore National Laboratory, University of California, Livermore, California 94550

Joel L. Lebowitz and David MacGowan

  • Department of Mathematics and Physics, Rutgers University, New Brunswick, New Jersey 08903

William B. Hubbard

  • Department of Planetary Sciences, University of Arizona, Tucson, Arizona 87521

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Vol. 31, Iss. 3 — March 1985

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