Shielding of a test charge in a highly collisional plasma is studied taking into account plasma production and loss processes. It is shown that the electric potential distribution is in general different from the conventional Debye–Hückel (exponentially screened Coulomb) form. The obtained results can be of great importance for a variety of phenomena including basic interactions, transport, phase transitions, and self-organization in conventional electron-ion and complex (dusty) plasmas.
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Khrapak et al. (2010) studied this question.