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A Hall MHD model to study energetic charged particle events produced during fluctuations in the interplanetary magnetic field intensity |
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| Authors: | FC Huang ZW Ma ZM Sheng |
| Institution: | aZheJiang Institute of Modern Physics, ZheJiang University, HangZhou 310027, China bSOA Key Laboratory for Polar Science, Polar Research Institute of China, Shanghai 200136, China cInstitute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China |
| Abstract: | Energetic charged particles, which are often observed in solar active regions, may be also produced in interplanetary space due to the decoupling of ions and electrons in plasma. The Hall term in general Ohm's law is generally thought to be responsible for the decoupling of electrons and ions in plasma during magnetic reconnection. In this paper, a Hall MHD model is developed to study energetic charged particle events produced during fluctuations in the interplanetary magnetic field intensity. Two energetic charged particle events are used to test this model. It is concluded that the Hall effect does not only play the important role in the process of magnetic reconnection, but also in energetic charged particle events produced during fluctuations in the interplanetary magnetic field intensity. |
| Keywords: | Energetic charged particle events Interplanetary magnetic field Hall effect Fluctuations in the magnetic field intensity |
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