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Thermal ion effects on kinetic beta-induced Alfvén eigenmodes excited by energetic ions
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10.1063/1.4794287
/content/aip/journal/pop/20/3/10.1063/1.4794287
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/3/10.1063/1.4794287
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The growth rate and frequency of KBAE, obtained with different methods (respectively named (1) BAE, (2) BAE_antenna, (3) , and (4) BAE_EP), versus thermal ion pressure parameter .

Image of FIG. 2.
FIG. 2.

The structures of for the modes excited by (a) antenna and (b) energetic ions at in Fig. 1 . Here, the dashed, dotted, and the solid lines are the real part , imaginary part , and amplitude of .

Image of FIG. 3.
FIG. 3.

The growth rate and frequency of the mode excited by energetic ions versus normalized poloidal wave vector for cases with and without thermal ion pressure gradient.

Image of FIG. 4.
FIG. 4.

The structures of the perturbed magnetic flux in ballooning space for (a) , without thermal ion pressure gradient, (b) with the gradient, (c) without the gradient, and (d) with the gradient, respectively. The meanings of the lines are the same as that in Fig. 2 .

Image of FIG. 5.
FIG. 5.

The growth rate and the frequency of the mode excited by energetic ions versus temperature ratio .

Image of FIG. 6.
FIG. 6.

The structures of the perturbed magnetic flux in ballooning space for (a) , without thermal iondensity and temperature gradients, (b) with the gradients, (c) without the gradients, and (d) with the gradients, respectively. The meanings of the lines are the same as that in Fig. 2 .

Image of FIG. 7.
FIG. 7.

The growth rate and frequency of the mode excited by energetic ions versus density ratio .

Image of FIG. 8.
FIG. 8.

The growth rate and frequency versus density ratio , which is chosen by changing with fixed and . Different values are chosen to keep the total normalized pressure gradient α of the core plasma and energetic ions fixed when the density ratio varies.

Image of FIG. 9.
FIG. 9.

The mode structures of in ballooning space for (a) , (b) 0.005, and (c) 0.015. The meanings of the lines are the same as that in Fig. 2 .

Image of FIG. 10.
FIG. 10.

The growth rates and frequencies of the modes versus or .

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/content/aip/journal/pop/20/3/10.1063/1.4794287
2013-03-07
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Thermal ion effects on kinetic beta-induced Alfvén eigenmodes excited by energetic ions
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/3/10.1063/1.4794287
10.1063/1.4794287
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