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Generation of shock/discontinuity compound structures through magnetic reconnection in the geomagnetic tail
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10.1063/1.4772782
/content/aip/journal/pop/19/12/10.1063/1.4772782
http://aip.metastore.ingenta.com/content/aip/journal/pop/19/12/10.1063/1.4772782
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Based on double-adiabatic formulation, the normalized phase speed is plotted as a function of propagation angle in the polar coordinate plane. The parameters used are (a) , , (b) , , (c) , and (d) , . The black line represents the phase speed of fast mode, red line represents speed of Alfvén mode and blue line represents speed of slow mode.

Image of FIG. 2.
FIG. 2.

Formation of reconnection layer in the outflow region of magnetic reconnection in the plane. The reconnection layer consists of several discontinuities/shocks, which emanate from the point . For illustration purpose, two discontinuities and are plotted.

Image of FIG. 3.
FIG. 3.
Image of FIG. 4.
FIG. 4.

Magnetic hodograms in plane for the six simulation cases shown in Fig. 3: (a) SS-RD (DD) compound structure with and , (b) SS-RD (DD) compound structure with and , (c) SS-RD-SS compound structure with and , (d) SSS with and , (e) SS-RD-SS compound structure with and , and (f) RD-SS compound structure with and .

Image of FIG. 5.
FIG. 5.

The type of compound structure depends on initial ion beta and magnetic shear angle . The distribution of compound structures, RD-SS, SS-RD-SS, SS-RD and SSS, is plotted in plane.

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/content/aip/journal/pop/19/12/10.1063/1.4772782
2012-12-27
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Generation of shock/discontinuity compound structures through magnetic reconnection in the geomagnetic tail
http://aip.metastore.ingenta.com/content/aip/journal/pop/19/12/10.1063/1.4772782
10.1063/1.4772782
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