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A direct Vlasov code to study the non-stationary current collection by a cylindrical Langmuir probe
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10.1063/1.4774398
/content/aip/journal/pop/20/1/10.1063/1.4774398
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/1/10.1063/1.4774398
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Spatio-temporal evolution of the electron density. The inset shows the density profiles at the times given in the legend. The parameters of the simulations are and .

Image of FIG. 2.
FIG. 2.

Spatio-temporal evolution of the ion density. Numerical parameters as for Fig. 1 .

Image of FIG. 3.
FIG. 3.

Electron distribution function at the end of the simulation shown in Figs. 1 and 2 . Panels from top to bottom correspond to , and .

Image of FIG. 4.
FIG. 4.

Temporal evolution of at the probe, the maximum value of within the computational domain and . Numerical parameters as for Fig. 1 .

Image of FIG. 5.
FIG. 5.

Comparison of electron and ions density profiles obtained with stationary and non-stationary theories. Numerical parameters as for Fig. 1 .

Image of FIG. 6.
FIG. 6.

Electron trajectories in the plane. The trajectories are found by integrating Eq. (22) with the potential obtained from the Vlasov-Poisson simulation.

Image of FIG. 7.
FIG. 7.

Difference of the maximum density values computed with the direct Vlasov code and stationary theory versus the probe radius. The simulation parameters are (blue crosses) and (red circles).

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/content/aip/journal/pop/20/1/10.1063/1.4774398
2013-01-15
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A direct Vlasov code to study the non-stationary current collection by a cylindrical Langmuir probe
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/1/10.1063/1.4774398
10.1063/1.4774398
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