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Nonlinear electron-magnetohydrodynamic simulations of three dimensional current shear instability
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10.1063/1.4751872
/content/aip/journal/pop/19/9/10.1063/1.4751872
http://aip.metastore.ingenta.com/content/aip/journal/pop/19/9/10.1063/1.4751872
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Plot of average perturbed energy in log scale with time. The slope of the dashed line corresponds to the maximum linear growth rate for this system.20

Image of FIG. 2.
FIG. 2.

(a)–(d) Color contours of in the plane z = 0 at different times showing generation of turbulence in the shear layer and its spreading, and (e) Color contours of in different two dimensional planes and stream lines of electron flow represented by few thick lines showing the three dimensional character of the turbulence.20 The color bar is same for (a)–(e).

Image of FIG. 3.
FIG. 3.

Log-scale plot of power spectrum densities (a) , (b) , and (c) with , , and , respectively, for the variable . See text for the definition of , , and .

Image of FIG. 4.
FIG. 4.

Plot of (a) rms wave numbers , , and , and (b) anisotropy factors , , and with time for the variable .

Image of FIG. 5.
FIG. 5.

Log-scale plot of and averaged over time in stationary state of the two and three dimensional simulations.

Image of FIG. 6.
FIG. 6.

Plot of rms wave numbers and for the variable with time for two and three dimensional simulations.

Image of FIG. 7.
FIG. 7.

Mean flow profile of electron velocity at various times for (a) three dimensional simulations (b) two dimensional simulations.

Image of FIG. 8.
FIG. 8.

Growth rates of the two and three dimensional instabilities with time corresponding to the nonlinearly modified mean velocity profiles in the simulations.

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/content/aip/journal/pop/19/9/10.1063/1.4751872
2012-09-19
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Nonlinear electron-magnetohydrodynamic simulations of three dimensional current shear instability
http://aip.metastore.ingenta.com/content/aip/journal/pop/19/9/10.1063/1.4751872
10.1063/1.4751872
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