Yoshikawa Akimasa

ヨシカワアキマサ | Yoshikawa Akimasa

Affiliation and department：
Job title： Professor
Other affiliations (1)：

Kyushu University International Research Center for Space and Planetary Environmental Acience Professor, Director

Research field (2)： Space and planetary science , Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics

Research theme for competitive and other funds (102)：

2022 - 2029 International joint research of geospace variability by combining multi-point ground and satellite observations and modeling
2021 - 2026 Study of latitudinal coupling of upper atmospheric variations based on multi-point ground network observations
2022 - 2025 オーロラ嵐時の電離圏全球電場構造・電流クロージャー形成の解明
2021 - 2025 自律型電離圏観測による赤道ジェット電流-プラズマバブル発生/抑制モデルの実証
2023 - 2024 IUGONETメタデータデータベースの保守・更新、及び、システムの改良

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Papers (291)：

M. Arslan Tariq, Libo Liu, Munawar Shah, Yuyan Yang, Wenjie Sun, M. Ali Shah, Ruilong Zhang, Akimasa Yoshikawa. Longitudinal variations of ionospheric responses to the February and April 2023 geomagnetic storms over American and Asian sectors. Advances in Space Research. 2024. 73. 6. 3033-3049
S. N.A. Syed Zafar, R. Umar, S. N. Hazmin, M. H. Jusoh, A. Yoshikawa, S. Abe, T. Uozumi, N. Z.M. Afandi, N. A. Mahiddin. Modelling of ULF Pc4 - Pc5 Pulsations with solar winds and geomagnetic storm for ULF earthquake precursor. Advances in Space Research. 2024. 73. 3. 1814-1830
Moe Hayashi, Akimasa Yoshikawa, Akiko Fujimoto. Mid-Latitude Ground Magnetic and Electric Field Responses Associated with SCW Development During Substorms. Springer Proceedings in Physics. 2024. 303. 63-74
Yuu Hiroshige, Akiko Fujimoto, Akihiro Ikeda, Shuji Abe, Akimasa Yoshikawa. A penalized motion detection model for extracting ionospheric echoes from low signal-to-noise ratio Ionogram video images. Proceedings of International Conference on Artificial Life and Robotics. 2024. 1025-1031
Zane Nikia C. Domingo, Ernest P. Macalalad, Akimasa Yoshikawa. Geomagnetic Field Effects Over the Philippines During Strong Solar Flares in April 2022. Springer Proceedings in Physics. 2024. 303. 83-92

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MISC (391)：

Hayato Higuchi, Juan William Pedersen, Akimasa Yoshikawa. Quantum Calculation of Classical Kinetic Equations: A Novel Approach for Numerical Analysis of 6D Boltzmann-Maxwell Equations in Collisionless Plasmas Using Quantum Computing. 2023
HIROSHIGE Yu, FUJIMOTO Akiko, IKEDA Akihiro, ABE Shuji, YOSHIKAWA Akimasa. Extraction model of ionospheric echoes for time-series ionogram images based-on penalized motion detection. 地球電磁気・地球惑星圏学会総会及び講演会(Web). 2023. 154th
NAKAMIZO Aoi, YOSHIKAWA Akimasa, YOSHIKAWA Akimasa, NAKATA Hiroyuki, FUKAZAWA Keiichiro, TANAKA Takashi. Evolution of M-I convection depending on the Alfven conductance as simulated by global MHD model with Alfvenic coupling. 地球電磁気・地球惑星圏学会総会及び講演会(Web). 2023. 154th
YOSHIKAWA Akimasa. Development of Affine connections to describe 3D evolving magnetic vector fields and its application to space physics. 地球電磁気・地球惑星圏学会総会及び講演会(Web). 2023. 154th
OBARA Takahiro, YOSHIKAWA Akimasa. Multi-spacecraft observations of widespread solar proton transport in the heliosphere. 地球電磁気・地球惑星圏学会総会及び講演会(Web). 2023. 154th

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Books (3)：

Earth’s Ionosphere: Theory and Phenomenology of Cowling Channels, in Electric Currents in Geospace and Beyond
John Wiley & Sons, Inc, Hoboken, N.J. 2018
Earth's ionosphere Theory and phenomenology of cowling channels
wiley 2018
Resonant Cavities and Waveguides in the Ionosphere and Atmosphere, Magnetospheric ULF Waves: Synthesis and New Directions
AGU, Washington, D. C. 2006

Lectures and oral presentations (781)：

宇宙プラズマシミュレーションのための量子アルゴリズム
(九州大学量子ネイティブ育成研究シンポジウム 2024)
量子特異値変換を使ったVlasov-Maxwell系の量子計算アルゴリズムの再構築
(STEシミュレーション研究会・KDKシンポジウム合同研究会 2023)
Research on the electromagnetic response of mid and low latitudinal region to the spatio-temporal development of CW during substorms
(AGU Fall Meeting 2022 2022)
Clarification of Atmospheric Tidal Modes Appearing in Ionospheric Currents by Principal Component Analysis
(AGU Fall Meeting 2022 2022)
Development of Affine Connection for Describing Spatiotemporal Evolving 3D Magnetic Vector Fields and its Applications
(American Geophysical Union Fall Meeting 2023 2023)

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Works (1)：

宇宙天気概況解析実験マニュアル
Yoshikawa A., and A. Nakamizo 2006 -

Education (3)：

1990 - 1995 Kyushu University Graduate School, Division of Natural Science
1989 - 1990 Kyushu University
- 1989 Yamaguchi University Faculty of Science

Professional career (3)：

(BLANK) (Kyushu University)
(BLANK) (Kyushu University)
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Committee career (56)：

2024/04 - 2026/03 九州大学理学研究院副研究院長(財務・研究担当)
2023/05 - 2025/04 地球電磁気・地球惑星圏学会評議員
2023/04 - 2024/03 九州大学地球惑星科学部門経理委員長
2022/04 - 2024/03 九州大学未来の科学者委員会委員長
2022/04 - 2024/03 九州大学サイエンスへの誘い編集長

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Awards (2)：

2015/05 - 地球電磁気・地球惑星圏学会田中館賞磁気圏電離圏結合系の理論的研究
2001/12 - 九州大学第一回年九州大学総長賞

Association Membership(s) (6)：

アメリカ地球物理学連合米国(AMERICAN GEOPRSICAL UNION) , Society of Geomagnetism and Earth, Planetary and Space Sciences , Japan Geoscience Union , European Geophysical Union , American Geophysical Union , COMMITTEE ON SPACE RESEARCH

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