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Titel |
Profile of a low-Mach-number shock in two-fluid plasma theory |
VerfasserIn |
M. Gedalin, Y. Kushinsky, M. Balikhin |
Medientyp |
Artikel
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Sprache |
Englisch
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ISSN |
0992-7689
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Digitales Dokument |
URL |
Erschienen |
In: Annales Geophysicae ; 33, no. 8 ; Nr. 33, no. 8 (2015-08-18), S.1011-1017 |
Datensatznummer |
250121235
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Publikation (Nr.) |
copernicus.org/angeo-33-1011-2015.pdf |
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Zusammenfassung |
Magnetic profiles of low-Mach-number collisionless shocks in space plasmas
are studied within the two-fluid plasma theory. Particular attention is given
to the upstream magnetic oscillations generated at the ramp. By including
weak resistive dissipation in the equations of motion for electrons and
protons, the dependence of the upstream wave train features on the ratio of
the dispersion length to the dissipative length is established
quantitatively. The dependence of the oscillation amplitude and spatial
damping scale on the shock normal angle θ is found. |
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