Electron distribution function and ion concentrations in the earth's lower ionosphere from Boltzmann-Fokker-Planck theory |
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Authors: | J.R. Jasperse |
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Affiliation: | Air Force Geophysics Laboratory (AFSC), Bedford, MA 01731, U.S.A. |
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Abstract: | Using the Boltzmann-Fokker-Planck method and the local approximation we derive coupled non-linear equations for the electron and ion concentrations and the energy-dependent electron distribution function in the Earth's lower ionosphere. These equations are new and give the appropriate generalization of the standard electron-ion continuity equations in the local approximation when electron-neutral particle impact ionization is treated rigorously. We report stable, numerical solutions to these equations and compare our calculated electron concentration to the experimentally determined result for a rocket experiment where the electron concentration and solar EUV spectral flux were measured simultaneously. |
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