Article ID Journal Published Year Pages File Type
5430233 Journal of Quantitative Spectroscopy and Radiative Transfer 2008 18 Pages PDF
Abstract

Charged particle kinetics in an inhomogeneous medium (stochastic magnetic field) is investigated. Exact analytic expressions for Green function of kinetic equation in relaxation-time approximation are derived in one and three dimensions with arbitrary particle absorption. We separately consider the case of isotropic particle injection as well as the case of unidirectional instantaneous particle injection. The new way of solution makes it possible to get off any Cauchy-Principal Value integrals in some solutions which arise in the inverse Fourier-Laplace transform. Weak scattering regime and diffusion approximation is considered, and particle density is derived in three dimensions and arbitrary particle source.

Related Topics
Physical Sciences and Engineering Chemistry Spectroscopy
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