AUTHORS: Vladimir V. Gorin
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ABSTRACT: In overwhelming majority of works on plasma physics the electron distribution function is used in so named two-term Lorentz approximation for velocity directions. It is caused by large dimension of phase space, in which a distribution function is to be appeared, and a search for simplification. In many of situations the function is almost isotropic indeed. But there exist also situations, where this approximation is not sufficient. Simplest of them – an absorbing wall – is considered here
KEYWORDS: Absorbing wall, electron distribution function, low angle scattering, Legendre polynomial expansion.
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