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Excitation of electromagnetic waves by a pulsed loop antenna in a magnetoplasma
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10.1063/1.4725508
/content/aip/journal/pop/19/6/10.1063/1.4725508
http://aip.metastore.ingenta.com/content/aip/journal/pop/19/6/10.1063/1.4725508
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic diagram showing the regions where (a) is real and (b) is real (not to scale).

Image of FIG. 2.
FIG. 2.

Function , measured in J A−2 s, in the case of time dependence (24) with (a) n = 1, (b) n = 5, and (c) n = 10 for , b = 1 m, , , and .

Image of FIG. 3.
FIG. 3.

The same as in Fig. 2, but for time dependence (27) with .

Image of FIG. 4.
FIG. 4.

Function for time dependence (24) with n = 1, n = 2, and n = 10 (curves 1, 2, and 3, respectively) and for time dependence (27) with (curve 4). The data for n = 2 and n = 10 are reduced by multiplying by 0.3 and 0.015, respectively. The red dot on the horizontal axis designates the frequency . The frequency , the source radius b, and the plasma parameters are the same as in Fig. 2.

Image of FIG. 5.
FIG. 5.

The same as in Fig. 4, but for . The data for n = 2 and n = 10 (curves 2 and 3, respectively) are reduced by multiplying by 0.3 and 0.02, respectively.

Image of FIG. 6.
FIG. 6.

Total energy radiated from a source with time dependence (24) for various values of the parameter (circles) and from a source with time dependence (27) for (squares). As the characteristic duration of the latter source, the quantity is adopted. The open and closed symbols correspond to and , respectively. The dashed strait lines show the energy radiated from a time-harmonic source at the corresponding frequency . The data for are increased by a factor of 5. The same source radius b and plasma parameters as in Fig. 2.

Image of FIG. 7.
FIG. 7.

Function for time dependence (24) with n = 1, n = 5, and n = 12 (curves 1, 2, and 3, respectively) at . The data referring to n = 1 and n = 12 for are multiplied by 5 and 2.5, respectively. The data for are increased by a factor of 104 for all values of n. The red dot on the horizontal axis designates the frequency . The same source radius and plasma parameters as in Fig. 2.

Image of FIG. 8.
FIG. 8.

Total energy radiated from a source with time dependence (24) for various values of the parameter (circles) at . The same source radius and plasma parameters as in Fig. 2.

Image of FIG. 9.
FIG. 9.

Function for time dependence (24) with n = 2 and n = 10 (curves 1 and 2, respectively) at . The same notations, source radius, and plasma parameters as in Fig. 7.

Image of FIG. 10.
FIG. 10.

The same as in Fig. 8, but for .

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/content/aip/journal/pop/19/6/10.1063/1.4725508
2012-06-12
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Excitation of electromagnetic waves by a pulsed loop antenna in a magnetoplasma
http://aip.metastore.ingenta.com/content/aip/journal/pop/19/6/10.1063/1.4725508
10.1063/1.4725508
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