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Physics of Plasmas
In a recent paper Ergun et al. [Phys. Plasmas 9, 3695 (2002)] endeavor to obtain realistic 1-D numerical solutions of the Vlasov-Poisson equations for an oblique strong double layer in the space environment, given a set of data based constraints. Here it is argued that their numerical methods are overly simplified and that a fully dynamic, multidimensional analysis is needed even for the lowest-order solution.doi:10.1063/1.1559476 fatcat:sim57u6fongerfmqqqdhtzrblm