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Dual Maxwellian-Kappa modeling of the solar wind electrons: new clues on the temperature of Kappa populations

Fichtner, H.; Pierrard, V.; Lazar, M. +2 more

Context. Recent studies on Kappa distribution functions invoked in space plasma applications have emphasized two alternative approaches that may assume the temperature parameter either dependent or independent of the power-index κ. Each of them can obtain justification in different scenarios involving Kappa-distributed plasmas, but direct evidence…