Japan Geoscience Union Meeting 2016

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International Session (Poster)

Symbol P (Space and Planetary Sciences) » P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

[P-EM07] Dynamics in magnetosphere and ionosphere

Tue. May 24, 2016 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall HALL6)

Convener:*Yoshizumi Miyoshi(Institute for Space-Earth Environmental Research, Nagoya University), Yoshimasa Tanaka(National Institute of Polar Research), Aoi Nakamizo(Applied Electromagnetic Research Institute, National Institute of Information and Communications Technology), Mitsunori Ozaki(Faculty of Electrical and Computer Engineering, Institute of Science and Engineering, Kanazawa University), Shin'ya Nakano(The Institute of Statistical Mathematics), Tomoaki Hori(Institute for Space-Earth Environmental Research, Nagoya University)

5:15 PM - 6:30 PM

[PEM07-P03] Nonlinear resonant scattering of radiation belt relativistic electrons by oblique EMIC waves

*Geng Wang1, Zhenpeng Su1, Zhonglei Gao1 (1.University of Science and Technology of China)

Keywords:EMIC wave, non-linear, resonant

Resonant scattering by EMIC waves has long been proposed as a candidate loss mechanisms for radiation belt relativistic electrons. Such resonant interaction process has been found to be in the nonlinear (rather than quasi-linear) regime. However, previous works are usually limited to the parallel EMIC waves, and the nonlinear scattering process by oblique EMIC waves remains to be investigated in detail. In this study, we perform test-particle simulations to examine the dependence of nonlinear characteristics on wave normal angle and resonance order. Our results provide in-depth understanding of the nonlinear loss of radiation belt relativistic electrons induced by EMIC waves.