Mendeley出力
＜紀要論文＞
DISSIPATION IN A COLLISIONLESS SHOCK WAVE
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| 概要 | The dissipation, in a sub-critical collisionless shock wave propagating perpendicular to the magnetic field, is shown to be consistent with the model of current-driven ion-wave turbulence. The observe...d turbulence in the shock front S(k) can be expressed by Kadomtsev's formula but reduced by a factor of 1/24. The observed effective collision frequency in the shock front v* can be expressed by Sagdeev's formula but reduced by a factor 1/12. We present a model for the stochastic heating of the electrons which explains the observed dissipation in terms of the observed turbulence. Comparison with the Kadomtsev-Sagdeev model shows that if the theoretically predicted level of turbulence is reduced by a factor 1/24 then theory and experiment are in good agreement.続きを見る |
| 目次 | 2. Introduction 2. Scaling of shock thickness 3. Spectrum of turbulence 4. Level of turbulence 5. Relation of S(k) and v* 6. Self-consistent description of dissipation 7. Conclusions |
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| 登録日 | 2024.04.18 |
| 更新日 | 2024.10.22 |