Boundary conditions for drift-diffusion equations in gas-discharge plasmas

V.V. Gorin, A. A. Kudryavtsev, Jingfeng Yao, Chengxun Yuan, Zhongxiang Zhou

Research output

Abstract

This paper develops a general approach to the derivation of the boundary conditions for hydrodynamic equations for charged and neutral plasma components. It includes both a well-known classical case for pure diffusion and considers the expressions for diffusion and drift together - for an absorbing (neutralizing) wall with partial reflection and the possible emission of plasma components. Some unclear and controversial terms found in the existing literature are clarified. Several examples of applications of the results, which illustrate the properties of boundary conditions for electrons and ions, are calculated and analyzed.

Original languageEnglish
Article number5120613
JournalPhysics of Plasmas
Volume27
Issue number1
Early online date17 Jan 2020
DOIs
Publication statusPublished - 2020

Scopus subject areas

  • Condensed Matter Physics

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