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Landau damping in a turbulent setting
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10.1063/1.4794851
/content/aip/journal/pop/20/3/10.1063/1.4794851
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/3/10.1063/1.4794851
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Comparison of Landau damping rate with effective damping rate for the case of uniform background. The Landau rate is thin-dashed, the effective rate is solid and . Also plotted in thick-dashed (gray) is the density response, normalized to fit the figure. The Landau root is strongly damped with . This mode corresponds to an ion acoustic wave with an ion-electron temperature ratio of 1.

Image of FIG. 2.
FIG. 2.

Comparison of Landau damping rate with effective damping rate for several cases of the ITG system. Parameters are and ; all cases are sub-marginal, . Landau rates are dashed lines, effective rates are solid lines. The plots are in order, with η increasing from top to bottom.

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/content/aip/journal/pop/20/3/10.1063/1.4794851
2013-03-12
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Landau damping in a turbulent setting
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/3/10.1063/1.4794851
10.1063/1.4794851
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