Physics > Plasma Physics
[Submitted on 22 Apr 2013 (v1), last revised 19 Nov 2013 (this version, v2)]
Title:Constant residual electrostatic electron plasma mode in Vlasov-Ampere system
View PDFAbstract:In a collisionless Vlasov-Poisson (V-P) electron plasma system, two types of modes for electric field perturbation exist: the exponentially Landau damped electron plasma waves and the initial-value sensitive ballistic modes. Here, the V-P system is modified slightly to a Vlasov-Ampere (V-A) system. A new constant residual mode is revealed. Mathematically, this mode comes from the Laplace transform of an initial electric field perturbation, and physically represents that an initial perturbation (e.g., external electric field perturbation) would not be damped away. Thus, this residual mode is more difficult to be damped than the ballistic mode. [Physics of Plasmas 20, 112108 (2013); doi: https://doi.org/10.1063/1.4831761]
Submission history
From: Hua-sheng Xie [view email][v1] Mon, 22 Apr 2013 09:09:58 UTC (84 KB)
[v2] Tue, 19 Nov 2013 14:03:56 UTC (128 KB)
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