Research keywords (5)：
astronomical plasma
, magnetohydrodynamics
, plasma
, Sun
, stellar physics
Research theme for competitive and other funds (18)：
2021 - 2026 Understanding and realization of advanced prediction for solar explosions with the integrated model including from stellar convection zone to interplanetary space
2021 - 2024 Theoretical studies on evolution of stellar coronae
2020 - 2024 New Physical Picture of Plasma Heating Revealed by Advanced Large Solar Telescope DKIST
2015 - 2020 Theoretical study on the dynamics and heating in the solar chromosphere
2016 - 2019 Formation of X-ray Emitting Regions and the Origin of Time Variabilities in Accretion Flow onto a Supermassive Black Hole
2011 - 2015 Dynamo mechanism in galaxies: nonlinear dynamics driven by cosmic rays and magnetic fields
2011 - 2015 Research of generation mechanisms and dynamics of solar magnetic fields
2011 - 2014 Studies of State Transitions in Black Hole Candidates by Collaboration between Magnetohydrodynamic Simulations and X-ray Observations
2008 - 2010 Developments of Numerical Magnetohydrodynamic Simulators of Accretion Disks with Application to Time Variabilities and Jet Formation
2006 - 2009 Studies of Explosive Processes of the Hot Plasmas in the Sun and Astronomical Object
2004 - 2006 電磁流体力学による太陽活動の統合シミュレーション
2004 - 2005 Research on the Formation and Activity of Galactic Nuclear Gas Disks Including Magnetohydrodynamical Processes
2003 - 2005 天体高温プラズマ活動現象の、磁気エネルギー蓄積過程と解放過程との研究
2002 - 2004 Basic studies of cosmic ray shock acceleration processes
2003 - 2003 新展開を迎えた磁気リコネクション研究に関する企画調査-実験室から天体まで-
2002 - 2003 STUDY OF SOLAR FLARE MECHANISM AND ITS APPLICATION TO GAMMA RAY BURSTS
2000 - 2003 Study of Activity Mechanism in the Solar Corona Based on Realistic-Data Simulations
2000 - 2001 天体高温ガス加熱の磁気流体数値シミュレーション
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Papers (70)：
Hidetaka Kuniyoshi, Munehito Shoda, Haruhisa Iijima, Takaaki Yokoyama. Magnetic Tornado Properties: A Substantial Contribution to the Solar Coronal Heating via Efficient Energy Transfer. The Astrophysical Journal. 2023. 949. 1. 8-8
Yikang Wang, Takaaki Yokoyama, Haruhisa Iijima. Fast Magnetic Wave Could Heat the Solar Low-beta Chromosphere. The Astrophysical Journal Letters. 2021
Toshifumi Shimizu, Shinsuke Imada, Tomoko Kawate, Yoshinori Suematsu, Hirohisa Hara, Toshihiro Tsuzuki, Yukio Katsukawa, Masahito Kubo, Ryoko Ishikawa, Tetsuya Watanabe, et al. The Solar-C_EUVST mission: the latest status. Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray. 2020
Satoru Katsuda, Masanori Ohno, Koji Mori, Tatsuhiko Beppu, Yoshiaki Kanemaru, Makoto S. Tashiro, Yukikatsu Terada, Kosuke Sato, Kae Morita, Hikari Sagara, et al. Inverse First Ionization Potential Effects in Giant Solar Flares Found from Earth X-Ray Albedo with Suzaku/XIS. ASTROPHYSICAL JOURNAL. 2020. 891. 2
Yikang Wang, Takaaki Yokoyama. Simulation of Alfven Wave Propagation in the Magnetic Chromosphere with Radiative Loss: Effects of Nonlinear Mode Coupling on Chromospheric Heating. ASTROPHYSICAL JOURNAL. 2020. 891. 2
Yokoyama T., Isobe H. MHD Simulations of a Current Sheet with a Finite Resistivity Perturvations : Guide-field effect. 2010. 2010. 203-203
Toriumi Shin, Yokoyama Takaaki. Two-dimensional Magnetohydrodynamic Simulations on the Solar Flux Emergence. 2010. 2010. 212-212
Yokoyama T., Isobe H. 30pSA-3 MHD Simulations of a current sheet with initial perturbation on resistivity. Meeting abstracts of the Physical Society of Japan. 2009. 64. 1. 251-251
Toriumi Shin, Yokoyama Takaaki. The Two-step Emergence of the Magnetic Flux Tube at the Solar Convection Zone and the Photosphere. 2009. 2009. 104-104
Yokoyama T., Isobe H. MHD Simulations of a Current Sheet with a Finite Resistivity Perturvations. 2008. 2008. 380-380
