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Hall magnetohydrodynamics in a strong magnetic field
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10.1063/1.2991395
/content/aip/journal/pop/15/10/10.1063/1.2991395
http://aip.metastore.ingenta.com/content/aip/journal/pop/15/10/10.1063/1.2991395
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The phase speed vs perpendicular wavenumber (i.e., ) is displayed for the two branches. The whistler branch grows monotonically, while the shear ion-cyclotron mode has monotonically decreasing phase speed with wavenumber. The unsplit Alfvén mode, which is the only one present in the limit , is shown with a dotted trace for reference.

Image of FIG. 2.
FIG. 2.

Ratio of total kinetic energy to total energy vs time for different values of the Hall parameter (labeled).

Image of FIG. 3.
FIG. 3.

Ratio of parallel energy (kinetic plus magnetic) to total energy for different values of the Hall parameter (labeled).

Image of FIG. 4.
FIG. 4.

Ratios of parallel to total magnetic and kinetic energies for different values of the Hall parameter (labeled). The three upper curves correspond to magnetic energy ratios, while the lower curves correspond to kinetic energy ratios.

Image of FIG. 5.
FIG. 5.

Energy power spectrum for different values of the Hall parameter (labeled) at . Full traces correspond to total energy, and the Kolmogorov slope is displayed for reference. Dot-dashed traces correspond to just the parallel part of the total energy. Vertical dashed lines indicate the location of for the values of considered.

Image of FIG. 6.
FIG. 6.

Energy power spectrum for different values of the Hall parameter (labeled) at . Full traces correspond to total energy (same as Fig. 5). Dot-dashed traces correspond to kinetic energy. Vertical dashed lines indicate the location of for the values of considered.

Image of FIG. 7.
FIG. 7.

The upper panel shows magnetic helicity vs time [; see Eq. (29)] for different values of the Hall parameter (labeled). The lower panel shows hybrid helicity vs time [, see Eq. (30)] for different values of the Hall parameter (labeled). The dotted traces correspond to the approximate expression given in Eq. (36).

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/content/aip/journal/pop/15/10/10.1063/1.2991395
2008-10-07
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Hall magnetohydrodynamics in a strong magnetic field
http://aip.metastore.ingenta.com/content/aip/journal/pop/15/10/10.1063/1.2991395
10.1063/1.2991395
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