Solar & Cosmic Plasmas Group

Our research interests

In our laboratory, we are doing researches on solar/astronomical plasma physics, using analytical/numerical calculation and data analysis. Our current research interests are as following

• Solar/stellar flare trigger mechanisms, especially the formation, evolution and ejection of plasma cloud

• Dynamics of solar photospheric magnetic field

• Solar coronal heating and solar wind acceleration

• Particle acceleration related with solar flare

• Solar dynamo

• Galactic dynamo

• Flux emergence

• Magnetic reconnection

• Group  rules

• Group achievements（paper/presentation：MS Excel file）

Seminars

• Solar and Cosmic Plasmas seminar (SCP seminar)

Members

YOKOYAMA, Takaaki (横山央明 professor, KyotoU）

ZHOU, Xinyu （周新宇 2020.4- Doctor course student, UTokyo）

KUNIYOSHI, Hidetaka （国吉秀鷹 2020.4- Doctor course student, UTokyo）

SHIRATO, Haruhi (白戸春日 2020.4- Doctor course student, KyotoU)

HUANG, Chujie (黄楚杰 2022.10- Doctor course student, KyotoU)

SHIMADA, Ryota (嶌田遼太 2021.4- Doctor course student, KyotoU)

WANG, Can (王璨 2024.6- Doctor course student, NanjingU)

YOSHIHISA, Takero (吉久健朗 2022.4- Master course student, KyotoU)

SUZUKI, Kaito (鈴木海渡 2023.4- Master course student, KyotoU)

Past members

• WANG, Yikang （王怡康 2015.10-2021.3 Master/Doctor） 

• KAI, Tatsuya (甲斐達也 2019.4-2021.3 Master)

• SHODA, Munehito （庄田宗人 2014.4-2019.3 Master/Doctor）

• MINETA, Ryuji （峰田竜二 2017.4-2018.3）

• WANG, Shuoyang （王爍洋 2012.10-2018.3 Master/Doctor）

• BEKKI, Yuto （戸次宥人 2016.4-2018.3 Master）

• KONO, Shunya （河野隼也 2013.4-2018.3 Master）

• GOERTZEN, Tom （2017.9-2018.2 Exchange student）

• KANEKO, Takafumi （金子岳史 2012.4-2017.3 Master/Doctor）

• ICHIMURA, Chiaki (市村千晃 2015.4-2017.3 Master）

• OI, Yoshiaki （大井喜智 2015.4-2017.3 Master）

• IIJIMA, Haruhisa （飯島陽久 2011.4-2016.3 Master/Doctor）

• NASUDA, Tetsuya （那須田哲也 2013.4-2015.3 Master）

• MATSUI, Yuki （松井悠起 2010.4-2015.3 Master）

• KITAGAWA, Naomasa （北川直優 2008.4-2014.3 Master/Doctor）

• TORIUMI, Shin （鳥海森 2009.4-2014.3 Master/Doctor）

• HOTTA, Hideyuki （堀田英之 2009.4-2014.3 Master/Doctor）

• ANTOLIN, Patrick （2013.4-2013.7 JSPS Postdoctral Fellowship）

• IIDA, Yusuke （飯田佑輔 2007.4-2013.3 Master/Doctor/JSPS Research Fellow）

• FUJIMURA, Daisuke （藤村大介 2008.4-2010.3 Master）

• ISOBE, Hiroaki （磯部洋明 2005.4-2008.3 JSPS Research Fellow）

• MINOSHIMA, Takashi （簑島敬 2003.4-2008.3 Master/Doctor）

• WATANABE, Naoyuki （渡邊直之 2003.4-2008.3 Master）

• FERRIZ-MAS, Antonio （2007.10.12-2007.12.21 JSPS Invitational Fellow）

• CHIFOR, Cristina （2007.5.12-2007.6.9 JSPS Postdoctral Fellowship）

• TSUKAMOTO, Yusuke （塚本裕介 2006.4-2008.3 Master）

• MIMURA, Yoshihito （三村宜史 2006.4-2008.3 Master）

• NAKAMURA, Kenji （中村賢仁 2005.8-2006.3 Domestic Research Fellow (from National Institute of Technology, Matsue College)）

• NOTOYA, Shun （能登谷瞬 2004.4-2007.3 Master）

• MITANI, Natsuko （三谷夏子 2003.4-2005.3 Master）

Theses(Master/Doctor)・Graduation Research(Bachelor)

• YOSHIHISA, Takero Master thesis(2024): One-Dimensional Magnetohydrodynamic Simulation for Solar Prominence Formation Triggered by Transient Heating

• SHIMADA, Ryota Master thesis(2023): Saturation Mechanisms of Solar Dynamo in Global Simulation at High Reynolds Numbers

• SATO, Yoshiaki Graduation Research(2022): フレアシミュレーションのデータ解析と仮想観測

• YOSHIHISA, Takero Graduation Research(2022): 数値計算を用いた太陽プロミネンスの形成の研究

• KUNIYOSHI, Hidetaka Master thesis(2022): Radiative MHD simulations of solar coronal loops considering the energy injection from intergranular lanes

• ZHOU, Xinyu Master thesis(2022): Ca II 8542A˚ synthetic Stokes profile on chromospheric reconnection events in 2D radiative MHD simulation of solar active region

• WANG, Yikang Doctor thesis(2021) ：Study of solar chromospheric heating mechanism with numerical simulation 

• KAI, Tatsuya Master thesis(2021): アルベーン波乱流加熱を考慮したコロナループ加熱シミュレーション 

• SHODA, Munehito PhD thesis(2019)：Fast solar wind driven by parametric decay instability and Alfvén wave turbulence

• WANG, Shuoyang PhD thesis(2018)：Studies on development of three-dimensional magnetohydrodynamic turbulence reconnection

• BEKKI, Yuto Master thesis(2018) ：Role of the effective Prandtl Number on the solar convective amplitude, stratification, and　angular momentum transport

• WANG, Yikang Master thesis(2017)：Study on effect of radiative loss on waves in solar chromosphere

• KANEKO, Takafumi PhD thesis(2017)：Numerical Study of Solar Prominence Formation

• OI, Yoshiaki Master thesis(2017)：Numerical Study of the Formation and Eruption of Magnetic Flux Rope in Quadrupolar Active Region with delta-sunspot on th Sun

• ICHIMURA, Chiaki Master thesis(2017)：Numerical Study of Non-Kinematic Flux-Transport Dynamos pf the Sun including Effects of Diffusivity Quenching

• IIJIMA, Haruhisa PhD thesis(2016)：Numerical studies of solar chromospheric jets

• SHODA, Munehito Master thesis(2016)：Nonlinear reflection process of linearly-polarized, broadband Alfven waves in the fast solar wind

• BEKKI, Yuto Graduation research(2016)：Numerical Study for Solar Differential Rotation Based on Two-cell Meridional Circulation

• KONO, Shunya Master thesis(2015)： One-dimensional Study of Alfvén Waves in the Solar Chromosphere: Effects of Reflection and Magnetic Diffusion

• NASUDA, Tetsuya Master thesis(2015)： Three-Dimensional Magnetohydrodynamic Simulation of the Magnetobuoyancy Instability with the Effect of the Cosmic-Rays

• ICHIMURA, Chiaki Graduation research(2015)： 磁束輸送ダイナモに基づく太陽磁場のシミュレーション

• WANG, Shuoyang Master thesis(2014)： Three-Dimensional Magnetohydrodynamics Magnetic Reconnection Simulations with Finite Guide Field: Proposal of the Shock-evoking Positive-feedback Model

• KITAGAWA, Naomasa PhD thesis(2014)： Coronal upflows from edges of an active region observed with EUV Imaging Spectrometer onboard Hinode

• TORIUMI, Shin PhD thesis(2014)： Numerical and Observational Studies of Flux Emergence in the Sun

• HOTTA, Hideyuki PhD thesis(2014)： Thermal Convection, Magnetic Field, and Differential Rotation in Solar-type Stars

• KANEKO, Takafumi Master thesis(2014)： Studies of Solar Filament Formation and Eruption by Magnetohydrodynamic Simulations

• IIJIMA, Haruhisa Master thesis(2013)： Study on the Scale Selection of Solar Surface Convection and Magnetic Field by Radiative Magnetohydrodynamic Simulations

• NASUDA, Tetsuya Graduation research(2013)： 宇宙線の影響を受けたパーカー不安定性の3 次元 MHD シミュレーション

• IIDA, Yusuke PhD thesis(2012): Surface Magnetic Flux Maintenance In Quiet Sun

• MATSUI, Yuki Master thesis(2012)： Multi-wavelength Spectroscopic Observations and Magnetohydrodynamic Simulations of Solar Coronal Jet

• KANEKO, Takafumi Graduation research(2012)： 太陽浮上磁場-コロナアーケード相互作用による プラズマ放出現象の 2.5 次元シミュレーション とパラメーター解析

• TORIUMI, Shin Master thesis(2011)： Large-scale Magnetohydrodynamic Numerical Simulations on the Solar Flux Emergence and the Formation of Active Region

• HOTTA, Hideyuki Master thesis(2011)： Studies of Solar Magnetic Cycle and Differential Rotation Based on Mean Field Model

• KITAGAWA, Hirotaka Graduation research(2011)： 太陽流体入門

• KITAGAWA, Naomasa Master thesis(2010)： Mode identification of MHD waves in solar active regions corona observed with Hinode/EIS

• FUJIMURA, Daisuke Master thesis(2010)（Supervised by professor TSUNEDA, Saku）： Properties of Magnetohydrodynamic Waves in the Solar Photosphere Obtained with Hinode

• SAITO, Tatsuhiko Graduation research(2010)： 太陽コロナ中のリコネクションジェットの磁気流体シミュレーション

• MATSUI, Yuki Graduation research(2010)： 太陽フレアプラズマ流の「ひので」紫外線撮像分光器による観測

• IIDA, Yusuke Master thesis(2009)： Studies of Solar Magnetic Cancellation: Dynamics and its Association with the Filament Formation

• TORIUMI, Shin Graduation research(2009)： 多段階リコネクションによるコロナループの形成～浮上磁場の統一的理解に向けて～

• HOTTA, Hideyuki Graduation research(2009)： 運動学的ダイナモシミュレーションのコード開発とそのパラメーター解析

• MINOSHIMA, Takashi PhD thesis(2008)： Studies on Variability of Non-Thermal Emissions in Solar Flares

• MIMURA, Yoshihito Master thesis(2008) ： コロナループ振動ダンピングの物理機構

• TSUKAMOTO, Yusuke Master thesis(2008)（Supervised by professor MAKINO, Junichiro）： 連星系における惑星形成及びTNOsの軌道進化に対する自己重力の影響

• FUJIMURA, Daisuke Graduation research(2008)： ひので衛星を用いた、太陽のActive Regionの解析 - Reconnection CuspにおけるOutflowを探る -

• IIDA, Yusuke Graduation research(2007)： フィラメントの成長と光球磁場

• NOTOYA, Shun Master thesis(2006)： The process of the filament formation and eruption triggered by the emerging flux

• ISHIKAWA, Shin-nosuke Graduation research(2006) ： 一般相対論的流体シミュレーション

• MITANI, Natsuko Master thesis(2005)： RHESSI衛星による太陽フレアの硬X線撮像スペクトル解析

• MINOSHIMA, Takashi Master thesis(2005)： Quantitative Analysis of Nonthermal Components in Solar Hard X-ray Flares Observed with the Yohkoh Satellite

• WATANABE, Naoyuki Master thesis(2005)： Two-dimensional magnetohydrodynamic simulations of relativistic magnetic reconnection