| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Research Abstract |
It is known that a high Mach number collisionless shock is often self-reforming, i.e., the shock front is cyclically formed and destroyed even though the upstream plasma parameters are steady. The self-reformation was originally found in numerical simulation studies, while its observational proof has not been established. In this study the basic features of the self-reformation is revealed by using numerical simulations. In particular we focus the phenomenon called reflected electron burst accompanied by the self-reformation and discuss how the characteristics of the self-reformation are transferred through it to a remote upstream region
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