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The mixed Wentzel–Kramers–Brillouin-full-wave approach and its application to lower hybrid wave propagation and absorption
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10.1063/1.4798408
/content/aip/journal/pop/20/3/10.1063/1.4798408
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/3/10.1063/1.4798408
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Amplitude of the perturbed scalar potential computed by the mixed WKB-full-wave approach (the color contour plot) and reference ray's trajectories obtained by 2D WKB method (yellow lines).

Image of FIG. 2.
FIG. 2.

The parallel wave number spectrum at different radii r (color contour plot) and 's evolution versus r using 2D WKB method (yellow circle line).

Image of FIG. 3.
FIG. 3.

The spectrum at different radial positions, (red squares), 0.60 (green triangles), and 0.95 (blue circles). is normalized as . 140 wave-packets are launched with different centered initially at . The spectrum is upshifted to larger and broadened when propagating inward.

Image of FIG. 4.
FIG. 4.

The normalized damping rate, , and the normalized power evolution, , of the wave-packet labeled by different , (red circles), 1.8 (blue square), and 1.9 (green triangles) calculated by mixed WKB-full-wave approach. The solid lines correspond to the results obtained from 2D WKB method.

Image of FIG. 5.
FIG. 5.

The normalized total power evolution and the normalized total deposited power, , versus r using the mixed WKB-full-wave approach (green squares) and 2D WKB method (red circles). Since the mixed WKB-full-wave approach accounts for the spectrum broadening effects, the power deposition profile is more peripheral than that estimated by the central reference ray calculated from the 2D WKB method.

Image of FIG. 6.
FIG. 6.

The two pass propagation of the LHW using the mixed WKB-full-wave approach (the color contour plot) and 2D WKB method (yellow lines).

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/content/aip/journal/pop/20/3/10.1063/1.4798408
2013-03-28
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The mixed Wentzel–Kramers–Brillouin-full-wave approach and its application to lower hybrid wave propagation and absorption
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/3/10.1063/1.4798408
10.1063/1.4798408
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