Electron Dynamic Modelling during Dipolarization Substorm Events by Test Particle Simulations
學年 111
學期 2
發表日期 2023-05-21
作品名稱 Electron Dynamic Modelling during Dipolarization Substorm Events by Test Particle Simulations
作品名稱（其他語言）
著者 Kirolosse M. Girgis; Tohru Hada; Kaiti Wang; Fumiko Otsuka; Yoshikawa Akimasa
作品所屬單位
出版者
會議名稱 Japan Geoscience Union Meeting 2023
會議地點 日本, 千葉
摘要 We developed a test particle simulation code to examine the electron dynamics during multiple dipolarization substorm events detected by the THEMIS mission. Through the Tao-Chan-Brizard guiding center model, we evaluated the trajectories of 0.1, 1, and 10 keV electrons with different initial pitch angles and L-shells. We applied the Tsyganenko model TS05 and the IGRF-12 to generate the time-varying magnetic field model with the corresponding inductive and polarized electric fields. The particle flux and energy enhancements in the nighttime magnetosphere characterize dipolarization events. The increase in the magnetic field and the corresponding induced and polarized electric field energizes and transports the particles earthward, which can explain the mechanism of the particle flux enhancement in the inner magnetosphere.
關鍵字 Dipolarization;Substorm;Electron Dynamics;Test Particle Simulations;Tsyganenko Model;Inductive Electric Field;Polarized Electric Field
語言 en
收錄於
會議性質 國際
校內研討會地點 無
研討會時間 20230521~20230526
通訊作者
國別 JPN
公開徵稿
出版型式
出處
相關連結

機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/124142 )