Observation and analysis of whistler-mode wave and electrostatic solitary waves within density depletion near magnetic reconnection X-line |
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| Authors: | ShiYou Li ShiFeng Zhang Hong Cai XiaoHua Deng HuaBo Yang |
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| Institution: | 1. College of Aerospace Science and Engineering, National University of Defense Technology, Changsha, 410073, China
2. Institute of Space Science and Technology, Nanchang University, Nanchang, 330031, China
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| Abstract: | The PWI/WFC data onboard Geotail during one burst time interval when Geotail is skimming a magnetic reconnection diffusion region in the near-Earth magnetotail is carefully analyzed. Both the whistler-mode wave and the electrostatic solitary wave are found within the region with density depletion on the boundary layer near the magnetic reconnection X-line. The whistler-mode wave is electromagnetic whistler wave propagating quasi-parallel to the ambient field with a small angle between the wave vector and the ambient magnetic field. The whistler-mode wave associated with ESWs suggests that enhanced electromagnetic whistler-mode fluctuations can also be generated after the decay of the ESWs, which is different from the 2-D PIC simulation results. |
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| Keywords: | magnetic reconnection whistler-mode electrostatic solitary waves density depletion |
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