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Modulational interaction between the short-wavelength lower-hybrid waves and slow, large-scale density fluctuations
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10.1063/1.2135770
/content/aip/journal/pop/12/11/10.1063/1.2135770
http://aip.metastore.ingenta.com/content/aip/journal/pop/12/11/10.1063/1.2135770

Figures

Image of FIG. 1.
FIG. 1.

Example of a lower-hybrid wave cavity detected by instruments on the FREJA satellite (Ref. 8).

Image of FIG. 2.
FIG. 2.

Trajectories of the lower-hybrid wave with in a Gaussian density well.

Image of FIG. 3.
FIG. 3.

Top panel shows the time-averaged energy density around a density striation, the middle panel shows the density gradient, and the energy density contours from the top panel allows an easy comparison. The bottom panel shows a line-cut across (Ref. 18).

Image of FIG. 4.
FIG. 4.

The marginal stability curve for different values of ion-acoustic mode wave number. Dotted line , dashed line , and solid line . The amplitude of the pump wave needed for the threshold of instability increases with the increasing wave number of the excited ion-acoustic mode.

Image of FIG. 5.
FIG. 5.

Growth rate of modulational instability as a function of pump lower-hybrid wave amplitude and wave number of ion-acoustic mode.

Image of FIG. 6.
FIG. 6.

The marginal stability curve for different values of wave number of inertial Alfvén mode. Dotted line , dashed line , and solid line . The amplitude of the pump wave needed for the threshold of instability increases with decreasing wave number of the excited inertial Alfvén mode.

Image of FIG. 7.
FIG. 7.

Growth rate of modulational instability as a function of pump lower-hybrid wave amplitude and wave number of inertial Alfvén mode.

Tables

Generic image for table
Table I.

Typical ionospheric parameters at altitudes about .

Generic image for table
Table II.

Table showing the condition for instability for the modulational interaction of lower-hybrid waves with two modes associated with slow density modulations.

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/content/aip/journal/pop/12/11/10.1063/1.2135770
2005-11-28
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Modulational interaction between the short-wavelength lower-hybrid waves and slow, large-scale density fluctuations
http://aip.metastore.ingenta.com/content/aip/journal/pop/12/11/10.1063/1.2135770
10.1063/1.2135770
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