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Kinetic water-bag model of global collisional drift waves and ion temperature gradient instabilities in cylindrical geometry
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10.1063/1.4799814
/content/aip/journal/pop/20/4/10.1063/1.4799814
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/4/10.1063/1.4799814
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Water-Bag distribution function for plotted against the parallel velocity.

Image of FIG. 2.
FIG. 2.

Bag contours in the phase space for a three-bag system. Between two contours, the distribution function f remains equal to a constant . Note that Fig. 1 shows a typical profile of the function f at a particular x-value.

Image of FIG. 3.
FIG. 3.

Temperature (diamond) and density (square) normalized base profiles.

Image of FIG. 4.
FIG. 4.

In the case of Fig. 3 , instability growth rate vs the number of coefficients N for a WB kinetic model ( ). The mode is , and .

Image of FIG. 5.
FIG. 5.

Decimal logarithms of coefficients , for a computation with a total number of radial modes , with and with a WB kinetic model.

Image of FIG. 6.
FIG. 6.

In the case of Fig. 3 , instability growth rate the azimuthal wavenumber m for a WB kinetic model and .

Image of FIG. 7.
FIG. 7.

Radial profile of the modulus of the wave plasma potential, for a computation with a total number of radial modes , with and with a WB kinetic model ( ).

Image of FIG. 8.
FIG. 8.

Instability growth rate of the fastest growing mode vs given by the kinetic WB model.

Image of FIG. 9.
FIG. 9.

Real frequencies of the fastest growing mode vs given by the kinetic WB model.

Image of FIG. 10.
FIG. 10.

ITG fluctuations of plasma potential in a section of the plasma column (left) and radial profile of the modulus of the wave plasma potential (right) for . The dotted line shows the radius at which and are maximum.

Image of FIG. 11.
FIG. 11.

Same as Fig. 10 , but for an ITG wave at .

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/content/aip/journal/pop/20/4/10.1063/1.4799814
2013-04-08
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Kinetic water-bag model of global collisional drift waves and ion temperature gradient instabilities in cylindrical geometry
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/4/10.1063/1.4799814
10.1063/1.4799814
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