This comment reveals the equivalence of two expressions for the coulomb logarithm in charged particle scattering, suggesting improvements are misleading.
A recent paper by Chang suggests replacing the conventional expression for the Coulomb logarithm, that appears in charged particle scattering theory in weakly coupled plasmas, with a new and improved expression. In this comment, we demonstrate that the new expression is completely equivalent to the old one, and that any improvements are illusory.
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Richard Fitzpatrick (2025) studied this question.
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