Unsteady behavior of supercritical perpendicular shock waves in a multiple-ion-species plasma

Details Unsteady behavior of supercritical perpendicular shock waves in a multiple-ion-species plasma Unsteady behavior of supercritical perpendicular shock waves in a multiple-ion-species plasma

Jan 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999adspr..24..113t&link_type=abstract

Advances in Space Research, Volume 24, Issue 1, p. 113-116.

Physics

1

Scientific paper

Supercritical perpendicular shock waves propagating in a plasma containing electrons and two positive ions (i.e., protons and alpha particles) are studied using a one-dimensional electromagnetic hybrid code. It is found that, as the number density ratio of heavy ions to protons is increased, the shock with a moderately high Mach number becomes more dynamic and changes its structure periodically. In this paper, we present the simulation results of a perpendicular shock with proton Alfvén Mach number ~ 9 and nα/ne = 0.1, where nα and ne are the number densities of alpha particles and electrons, respectively. We further discuss the parameter dependence of the non-stationary property of the shock structure.

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