Yamasaki Kotaro

ヤマサキコウタロウ | Yamasaki Kotaro

Affiliation and department：
Job title： Associate Professor

Research field (1)： Nuclear fusion

Research keywords (9)： Thomson scattering measurement , cascade arc discharge , spherical tokamak , tokamak , magnetic reconnection , turbulence , tomography , nuclear fusion , plasma physics

Research theme for competitive and other funds (14)：

2024 - 2027 中性粒子温度密度分布計測手法を確立し周辺プラズマの特性を理解する
2023 - 2025 プラズマウィンドウを用いた大気中での電子ビーム溶接の実現
2023 - 2024 トモグラフィ計測を用いた磁化プラズマ乱流の同定および競合状態の観測
2023 - 2024 Observation of the electron current density profile using the triple grating spectrometer
2020 - 2024 磁力線方向流れがもたらす磁化プラズマ乱流構造形成を3次元非接触計測で解き明かす

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Papers (64)：

T Nishizawa, S Tokuda, A Sanpei, M Hasegawa, K Yamasaki, A Fujisawa. Equilibrium reconstruction of axisymmetric plasmas by combining Gaussian process regression and Markov chain Monte Carlo sampling. Plasma Physics and Controlled Fusion. 2025
Taiki Kobayashi, Akihide Fujisawa, Yoshihiko Nagashima, Chanho Moon, Kotaro Yamasaki, Daiki Nishimura, Sigeru Inagaki, Akihiro Shimizu, Tokihiko Tokuzawa, Takeshi Ido. Identification of nonlinear effects of background asymmetry on solitary oscillations in a cylindrical plasma. Scientific Reports. 2024
Daiki NISHIMURA, Akihide FUJISAWA, Yoshihiko NAGASHIMA, Chanho MOON, Kotaro YAMASAKI, Takashi NISHIZAWA, Taiki KOBAYASHI, Tatsuya KOBAYASHI, Akihiro SHIMIZU, Tokihiko TOKUZAWA. Velocity Field Estimation using Tomography in a Cylindrical Plasma. Plasma and Fusion Research. 2024. 19. 1201005-1201005
K. Yamasaki, K. Okuda, J. Kono, A. Saito, D. Mori, R. Suzuki, Y. Kambara, R. Hamada, S. Namba, K. Tomita, et al. Development of the Thomson scattering measurement system for cascade arc device with indirectly heated hollow cathode. Journal of Instrumentation. 2023. 18. 11
D. Nishimura, A. Fujisawa, K. Yamasaki, Y. Nagashima, C. Moon, T. Nishizawa, T.-K. Kobayashi, T. Kobayashi, A. Shimizu, T. Tokuzawa, et al. Rotational movement analysis based on Fourier-rectangular function transform for cylindrical plasma. Journal of Applied Physics. 2023. 134. 11

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MISC (37)：

徳田悟, 河内裕一, 佐々木真, 荒川弘之, 山崎広太郎, 寺坂健一郎, 稲垣滋. Bayesian model selection of ion velocity distribution function in magnetized plasmas. 日本物理学会講演概要集(CD-ROM). 2022. 77. 1
永島芳彦, 永島芳彦, 藤澤彰英, 藤澤彰英, 山崎広太郎, 稲垣滋, MOON Changho, MOON Changho, 金史良, 河内裕一, et al. Normalized Electron Temperature and Density Fluctuations measured with Two-wavelength Emission Intensity Tomography. プラズマ・核融合学会年会(Web). 2022. 39th
永島芳彦, 永島芳彦, 藤澤彰英, 藤澤彰英, 山崎広太郎, 稲垣滋, MOON C., MOON C., 金史良, 河内裕一, et al. Estimation of normalized electron temperature and electron density fluctuations using emission signal tomography. 日本物理学会講演概要集(CD-ROM). 2022. 77. 2
徳田悟, 河内裕一, 佐々木真, 荒川弘之, 山崎広太郎, 寺坂健一郎, 稲垣滋. Bayesian inference of ion velocity distribution function in magnetized plasmas. プラズマ・核融合学会年会(Web). 2021. 38th
河内裕一, 稲垣滋, 稲垣滋, 佐々木真, 小菅佑輔, 小菅佑輔, 山崎広太郎, 小林達哉, 金史良, 山田琢磨, et al. Interaction of coexisting fluctuations in a linear plasma device PANTA. 日本物理学会講演概要集(CD-ROM). 2021. 76. 2

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Lectures and oral presentations (30)：

Impact of the radiative trapping on the helium line intensity ratio method
(26th International Conference on Spectral Line Shapes 2024)
ホローカソードを用いた大口径プラズマウィンドウの開発
(第40回プラズマ・核融合学会年会 2023)
Development of large channel diameter plasma window using indirectly heated hollow cathode
(AAPPS-DPP2023 2023)
Basis function analysis technique for the two-dimensional structure of fluctuation in magnetized plasma
(Global Plasma Forum in AOMORI 2023)
Development of the Thomson scattering measurement system for cascade arc device with indirectly heated hollow cathode
(20th International Symposium on Laser-Aided Plasma Diagnostics 2023)

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Education (3)：

2013 - 2016 The University of Tokyo Graduate School for Engineering Department of Electrical Engineering and Information Systems
2011 - 2013 The University of Tokyo Graduate School for Frontier Sciences Department of Advanced Energy
2007 - 2011 Kyoto University Faculty of Engineering

Professional career (1)：

博士(工学) (東京大学)

Work history (3)：

2024/10 - 現在 Hiroshima University
2020/12 - 2024/09 広島大学大学院先進理工系科学研究科機械工学プログラム助教
2016/04 - 2020/11 Kyushu University Research Institute for Applied Mechanics Research Fellow

Committee career (1)：

2024/07 - 現在プラズマ・核融合学会編集委員

Awards (4)：

2023/12 - The JCREN comittee best presentation award Development of large channel diameter plasma window for quantum beam application
2019/10 - National Institutes for Quantum Radiological Science and Technology JT-60 collaboration research award
2014/12 - A3 Foresight Workshop Student Presentation Award
2014/11 - The Japan Society of Plasma Science and Nuclear Fusion Research Young Researcher's award

Association Membership(s) (2)：

THE PHYSICAL SOCIETY OF JAPAN , The Japan Society of Plasma Science and Nuclear Fusion Research

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