Astronomy and Astrophysics – Astrophysics
Scientific paper
2007-07-03
Prog.Theor.Phys.118:47-58,2007
Astronomy and Astrophysics
Astrophysics
13 pages, 4 figures, accepted for publication in Prog. Theor. Phys
Scientific paper
10.1143/PTP.118.47
The evolutionary conditions for the dissipative continuous magnetohydrodynamic (MHD) shocks are studied. We modify Hada's approach in the stability analysis of the MHD shock waves. The matching conditions between perturbed shock structure and asymptotic wave modes shows that all types of the MHD shocks, including the intermediate shocks, are evolutionary and perturbed solutions are uniquely defined. We also adopt our formalism to the MHD shocks in the system with resistivity without viscosity, which is often used in numerical simulation, and show that all types of shocks that are found in the system satisfy the evolutionary condition and perturbed solutions are uniquely defined. These results suggest that the intermediate shocks may appear in reality.
Inoue Tsuyoshi
Inutsuka Shu-ichiro
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