In this paper we present the modelling of elastic intra-species electron-electron and inter-species electron-ion scattering in a plasma on the basis of the FokkerPlanck collision operator.Taking into account the equiv...In this paper we present the modelling of elastic intra-species electron-electron and inter-species electron-ion scattering in a plasma on the basis of the FokkerPlanck collision operator.Taking into account the equivalence of this operator with a stochastic differential equation,we propose a Particle-in-Cell based approach for the numerical solution of the Fokker-Planck collision term.As we will see,the introduced numerical concept allows the simulation of the collisional relaxation process in a fully self-consistent fashion.展开更多
基金the Austrian Research Promotion Agency (FFG)the Federal Ministry for Transport, Innovation and Technology (bmvit) for sponsoring the project Kryo Alu in the framework of Kooperative F&E-Projekte-Industrielle Forschung, Experimentelle Entwicklung
文摘In this paper we present the modelling of elastic intra-species electron-electron and inter-species electron-ion scattering in a plasma on the basis of the FokkerPlanck collision operator.Taking into account the equivalence of this operator with a stochastic differential equation,we propose a Particle-in-Cell based approach for the numerical solution of the Fokker-Planck collision term.As we will see,the introduced numerical concept allows the simulation of the collisional relaxation process in a fully self-consistent fashion.
