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Nonlocal, kinetic stimulated Raman scattering in nonuniform plasmas: Averaged variational approach
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10.1063/1.4737609
/content/aip/journal/pop/19/7/10.1063/1.4737609
http://aip.metastore.ingenta.com/content/aip/journal/pop/19/7/10.1063/1.4737609
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Autoresonant solutions for the plasma wave amplitude in the warm fluid model of Ref. 32 for (blue solid lines) and (red dashed lines) regimes.

Image of FIG. 2.
FIG. 2.

Flat-top electron phase-space distribution in an one-dimensional nonuniform plasma. The distribution has values of either f = 0 (blue) or (red).

Image of FIG. 3.
FIG. 3.

Plasma wave formation in the warm fluid regime for an initially flat-top electron phase space distribution. (a) The plasma wave amplitude from the variational theory (red dashed line) and numerical simulations (blue solid line). (b) The associated electron distribution function. Note that no autoresonance occurs in this case.

Image of FIG. 4.
FIG. 4.

Plasma wave formation in the kinetic regime for initially flat-top electron phase space distribution. (a) The plasma wave amplitude from the variational theory (red dashed line) and numerical simulations (blue solid line). (b) The associated electron distribution function.

Image of FIG. 5.
FIG. 5.

Plasma wave excitation in the warm fluid regime for an initially Maxwellian phase space distribution. (a) The plasma wave amplitude from the multiple water bag variational theory (red dashed line) and numerical simulations (blue solid line). (b) The associated distribution function.

Image of FIG. 6.
FIG. 6.

Plasma wave excitation in the kinetic regime for an initially Maxwellian phase space distribution. (a) The plasma wave amplitude from the variational theory (red dashed line) and numerical simulations (blue solid line). (b) The associated distribution function.

Image of FIG. 7.
FIG. 7.

Multi-water bag model for Maxwellian phase-space distribution in an one-dimensional nonuniform plasma.

Image of FIG. 8.
FIG. 8.

The comparison between the spatial plasma wave evolution for prescribed (fixed) and self-consistent drive amplitudes in the warm fluid regime. (a) Plasma wave amplitude for fixed (blue solid line) and self-consistent (red dashed line) ponderomotive drive. (b) The constant (blue solid line) and the self-consistent (red dashed line) ponderomotive driving amplitude ( versus x, from the simulation).

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/content/aip/journal/pop/19/7/10.1063/1.4737609
2012-07-30
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Nonlocal, kinetic stimulated Raman scattering in nonuniform plasmas: Averaged variational approach
http://aip.metastore.ingenta.com/content/aip/journal/pop/19/7/10.1063/1.4737609
10.1063/1.4737609
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