論文 - 藤田 隆明
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Stabilization of plasma vertical position of elongated tokamak using upper and lower triangular coils 査読有り
K. Yasuda, T. Fujita, A. Okamoto, H. Arimoto, S. Kimata, K. Kado, and K. Tsunoda
Physics of Plasmas 28 巻 頁： 082108 - 082108 2021年8月
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High-Speed Analysis of Heating and Current Drive with Neutral Beam Injection in Tokamak Plasma 査読有り
Funabashi Ryoya, Fujita Takaaki, Okamoto Atsushi
PLASMA AND FUSION RESEARCH 15 巻 頁： 2401071 2020年10月
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Dependence of Operation Density on the Density Profile Shape in DEMO Plasmas with Ar Injection for Divertor Heat Load Reduction 査読有り
Sakai Ryosuke, Fujita Takaaki, Okamoto Atsushi
PLASMA AND FUSION RESEARCH 15 巻 頁： 1303031 2020年5月
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Derivation of bootstrap current fraction scaling formula for 0-D system code analysis 査読有り 国際誌
Sakai Ryosuke, Fujita Takaaki, Okamoto Atsushi
FUSION ENGINEERING AND DESIGN 149 巻 頁： 111322 2019年12月
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Economy of Tokamak Neutron Source for Transmutation of Transuranics 査読有り 国際誌
Sakai Ryosuke, Fujita Takaaki, Okamoto Atsushi
PLASMA AND FUSION RESEARCH 14 巻 頁： 1405040 2019年2月
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Estimation of Tokamak Plasma Position and Shape in TOKASTAR-2 Using Magnetic Field Measurement 査読有り 国際誌
Kouhei YASUDA, Hideki ARIMOTO, Atsushi OKAMOTO, Takaaki FUJITA, Masato MINOURA, Ryoma YOKOYAMA, Takahiro YAMAUCHI
Plasma and Fusion Research 13 巻 頁： 3402072 2018年6月
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Internal transport barrier in tokamak and helical plasmas 招待有り 査読有り 国際誌
K. Ida,T. Fujita
Plasma Physics and Controlled Fusion 60 巻 頁： 33001 2018年1月
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Optimization study of normal conductor tokamak for commercial neutron source 査読有り 国際誌
Fujita T., Sakai R., Okamoto A.
NUCLEAR FUSION 57 巻 ( 5 ) 頁： 056019 2017年5月
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Analysis of Tungsten Transport in JT-60U Plasmas 査読有り 国際誌
Yusuke SHIMIZU, Takaaki FUJITA, Hideki ARIMOTO, Tomohide NAKANO, Kazuo HOSHINO, Nobuhiko HAYASHI
Plasma and Fusion Research 10 巻 頁： 3403062 2015年7月
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Tomoyuki YAMAKAMI, Takaaki FUJITA, Hideki ARIMOTO, Kozo YAMAZAKI
Plasma and Fusion Research 9 巻 ( S2 ) 頁： 3403091 2014年7月
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Tokamak equilibria with nearly zero central current: the current hole 招待有り 査読有り 国際誌
Takaaki Fujita
Nuclear Fusion 50 巻 頁： 113001 2010年
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Design optimization for plasma performance and assessment of operation regimes in JT-60SA 査読有り 国際誌
T. Fujita, H. Tamai, M. Matsukawa, G. Kurita, J. Bialek, N. Aiba, K. Tsuchiya, S. Sakurai, Y. Suzuki, K. Hamamatsu, N. Hayashi, N. Oyama, T. Suzuki, G.A. Navratil, Y. Kamada, Y. Miura, Y. Takase, D. Campbell, J. Pamela, F. Romanelli, M. Kikuchi
Nuclear Fusion 47 巻 頁： 1512-1523 2007年
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Advanced tokamak research on long time scales in JT-60 Upgrade 招待有り 査読有り 国際誌
T. Fujita, JT-60 team
Physics of Plasmas 13 巻 頁： 056112 2006年
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Steady state operation research in JT-60U with extended pulse length 招待有り 査読有り 国際誌
T. Fujita, JT-60 team
Nuclear Fusion 46 巻 頁： S3-S12 2006年
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Current Clamp at Zero Level in JT-60U Current Hole Plasmas 査読有り 国際誌
T. Fujita, T. Suzuki, T. Oikawa, A. Isayama, T. Hatae, O. Naito, Y. Sakamoto, N. Hayashi, K. Hamamatsu, S. Ide, H. Takenaga
Physical Review Letters 95 巻 頁： 075001 2005年
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Volumetric Recombination in the Linear ECR Plasma Device NUMBER
Yagasaki, K; Okamoto, A; Fujita, T; Sugimoto, M; Higuchi, S; Koike, M; Sato, K; Yamada, Y
PLASMA AND FUSION RESEARCH 18 巻 2023年10月
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Laser Thomson scattering system for anisotropic electron temperature measurement in NUMBER
Okamoto, A; Higuchi, S; Sato, K; Yamada, Y; Koike, M; Sugimoto, M; Fujita, T
JOURNAL OF INSTRUMENTATION 18 巻 ( 10 ) 2023年10月
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Optimization of Magnetic Field Based on Electron Orbit Measurement in TOKASTAR-2 Helical Plasmas
KADO, K; FUJITA, T; OKAMOTO, A; ARIMOTO, H; TSUNODA, K; MORIZAWA, S
PLASMA AND FUSION RESEARCH 17 巻 2022年6月
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Overview of coordinated spherical tokamak research in Japan
Takase, Y; Ejiri, A; Fujita, T; Hanada, K; Idei, H; Nagata, M; Onchi, T; Ono, Y; Tanaka, H; Tsujii, N; Uchida, M; Yasuda, K; Kasahara, H; Murakami, S; Takeiri, Y; Todo, Y; Tsuji-Iio, S; Kamada, Y
NUCLEAR FUSION 62 巻 ( 4 ) 2022年4月
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Power balance in the smallest tokamak
Kimata, S; Okamoto, A; Fujita, T; Arimoto, H; Yasuda, K; Kado, K; Tsunoda, K
AIP ADVANCES 12 巻 ( 4 ) 2022年4月
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Itakura, Y; Fujita, T; Okamoto, A
PLASMA AND FUSION RESEARCH 17 巻 2022年
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Radial Profile Estimation of Electron Density in a Linear Plasma Device NUMBER Using a Single Line-of-Sight Signal 査読有り
Minami SUGIMOTO, Atsushi OKAMOTO, Takaaki FUJITA, Hideki ARIMOTO, Shunya HIGUCHI and Konan YAGASAKI
Plasma and Fusion Research 16 巻 頁： 2401042 - 2401042 2021年4月
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Study on Stabilization of Vertical Position of Tokamak Plasma with Local Helical Coils in TOKASTAR-2 査読有り
Yasuda Kouhei, Fujita Takaaki, Okamoto Atsushi, Arimoto Hideki, Ikeda Ryohei, Kimata Sora, Kado Keitaro
PLASMA AND FUSION RESEARCH 15 巻 頁： 1402083 2020年11月
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Development and Evaluation of Ion Energy Analyzer for Energetic Ion Measurement in a Linear Plasma Device NUMBER 査読有り
Ochiai Ryosuke, Okamoto Atsushi, Fujita Takaaki, Arimoto Hideki, Hachikubo Hiroki, Sugimoto Minami, Iizuka Kento
PLASMA AND FUSION RESEARCH 15 巻 頁： 2401040 2020年
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Equilibrium Analysis of Tokamak Plasma Including the Eddy Current Effects in TOKASTAR-2 査読有り
Ikeda Ryohei, Fujita Takaaki, Arimoto Hideki, Okamoto Atsushi, Yasuda Kouhei, Kimata Sora, Kado Keitaro
PLASMA AND FUSION RESEARCH 15 巻 頁： 2402047 2020年
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Magnetic Field Dependence of Transition to High Electron Density Phase in a Linear Plasma Device NUMBER 査読有り 国際誌
Hachikubo Hiroki, Okamoto Atsushi, Fujita Takaaki, Arimoto Hideki, Ochiai Ryosuke, Sugimoto Minami, Iizuka Kento
PLASMA AND FUSION RESEARCH 15 巻 頁： 2401042 2020年
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High-Density Plasma Production in Converging Field Following a Magnetic Beach Plasma Source 査読有り
Atsushi OKAMOTO, Ryosuke OCHIAI, Katsuya SATOU, Hiroki HACHIKUBO, Minami SUGIMOTO, Takaaki FUJITA and Hiroyuki TAKAHASHI
Plasma and Fusion Research 14 巻 頁： 2401005 2019年1月
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Extended Range of Stable Radial Position of Tokamak Plasma in TOKASTAR-2 査読有り
Kenji MURAOKA, Takaaki FUJITA, Hideki ARIMOTO, Atsushi OKAMOTO, Hiromasa ITOU, Ryoichi SUGIOKA, Masato MINOURA, Kouhei YASUDA, Ryoma YOKOYAMA, Takahiro YAMAUCHI
Plasma and Fusion Research 13 巻 頁： 1402111 2018年9月
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Application of He I Line Intensity Ratio Method to Tokamak Plasma in TOKASTAR-2 査読有り
Ryoma YOKOYAMA, Atsushi OKAMOTO, Takaaki FUJITA, Hideki ARIMOTO, Masato MINOURA, Kohei YASUDA, Takahiro YAMAUCHI
Plasma and Fusion Research 13 巻 頁： 3402047 2018年5月
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Determining the Closed Flux Surface in a Helical Plasma in TOKASTAR-2 with an Electrostatic Probe 査読有り
Hiromasa ITOU, Takaaki FUJITA, Hideki ARIMOTO, Atsushi OKAMOTO, Kenji MURAOKA, Ryoichi SUGIOKA, Kohei YASUDA, Ryoma YOKOYAMA, Masato MINOURA, Takahiro YAMAUCHI
Plasma and Fusion Research 13 巻 頁： 1402039 2018年5月
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Magnetic Field Configuration Dependence of Plasma Production and Parallel Transport in a Linear Plasma Device NUMBER 査読有り
Daichi HAMADA, Atsushi OKAMOTO, Takaaki FUJITA, Hideki ARIMOTO, Katsuya SATOU, Ryosuke OCHIAI
Plasma and Fusion Research 13 巻 頁： 3401044 2018年5月
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The 7th Asia-Pacific Transport Working Group (APTWG) meeting 国際共著 国際誌
Ida K., Kong D. F., Fujita T., Ido T., Ko W. H., Maeyama S.
NUCLEAR FUSION 58 巻 ( 1 ) 2018年1月
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Overview of spherical tokamak research in Japan 査読有り 国際誌
Takase Y., Ejiri A., Fujita T., Fukumoto N., Fukuyama A., Hanada K., Idei H., Nagata M., Ono Y., Tanaka H., Uchida M., Horiuchi R., Kamada Y., Kasahara H., Masuzaki S., Nagayama Y., Oishi T., Saito K., Takeiri Y., Tsuji-lio S.
NUCLEAR FUSION 57 巻 ( 10 ) 頁： 102005 2017年10月
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Current Status of Large Helical Device and Its Prospect for Deuterium Experiment 査読有り
Osakabe M., Takeiri Y., Morisaki T., Motojima G., Ogawa K., Isobe M., Tanaka M., Murakami S., Shimizu A., Nagaoka K., Takahashi H., Nagasaki K., Takahashi H., Fujita T., Oya Y., Sakamoto M., Ueda Y., Akiyama T., Kasahara H., Sakakibara S., Sakamoto R., Tokitani M., Yamada H., Yokoyama M., Yoshimura Y.
FUSION SCIENCE AND TECHNOLOGY 72 巻 ( 3 ) 頁： 199 - 210 2017年
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Development of Magnetic Flux Surface Measurement Method on TOKASTAR-2 査読有り
Yusuke SHIMOOKA, Hideki ARIMOTO, Takaaki FUJITA, Atsushi OKAMOTO, Tatsuya SAKITO, Hiromasa ITOU, Kenji MURAOKA, Ryoichi SUGIOKA, Kouhei YASUDA and Ryoma YOKOYAMA
Plasma and Fusion Research 11 巻 頁： 2402110 2016年9月
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Particle pinch model of passing/trapped high-Z impurity with centrifugal force effect 査読有り
Yusuke SHIMIZU, Takaaki FUJITA, Atsushi OKAMOTO, Hideki ARIMOTO, Nobuhiko HAYASHI, Kazuo HOSHINO, Tomohide NAKANO, Mitsuru HONDA
Plasma and Fusion Research 11 巻 頁： 2403082 2016年6月
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Tatsuya SAKITO, Hideki ARIMOTO, Takaaki FUJITA, Atsushi OKAMOTO, Yusuke SIMOOKA, Hiromasa ITOU, Ryoichi SUGIOKA, Kenji MURAOKA, Kouhei YASUDA, Ryoma YOKOYAMA
Plasma and Fusion Research 11 巻 頁： 2402074 2016年5月
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Simulation on Sawtooth Period Control in Tokamak Plasma 査読有り
Hiroki NATSUME, Takaaki FUJITA, Hideki ARIMOTO, Kozo YAMAZAKI
Plasma and Fusion Research 10 巻 頁： 3403051 2015年5月
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Magnetic Field Measurements Using a Multichannel Magnetic Probe in TOKASTAR-2 査読有り
Tomohiro UEDA, Hideki ARIMOTO, Takaaki FUJITA, Tatsuya SAKITO, Kozo YAMAZAKI
Plasma and Fusion Research 10 巻 頁： 3402065 2015年5月
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Measurement of Plasma Behavior with High Speed Cameras in TOKASTAR-2 査読有り
Tatsuya SAKITO, Hideki ARIMOTO, Takaaki FUJITA, Tomohiro UEDA, Yuusuke SHIMOOKA, Hiromasa ITOU, Kenji MURAOKA
Plasma and Fusion Research 10 巻 頁： 3402033 2015年4月
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Simulation of Sawtooth Oscillation in Burning Plasma 査読有り
Hiroki NATSUME, Takaaki FUJITA, Hideki ARIMOTO, Kozo YAMAZAKI
Plasma and Fusion Research 9 巻 ( S2 ) 頁： 3403048 2014年5月
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Optimization of Tokamak Plasma Equilibrium Control in TOKASTAR-2 査読有り
Reiya NISHIMURA, Hideki ARIMOTO, Takaaki FUJITA, Tomohiro UEDA, Tatsuya SAKITO, Kozo YAMAZAKI
Plasma and Fusion Research 9 巻 ( S2 ) 頁： 3402059 2014年5月
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Formation conditions for electron internal transport barriers in JT-60U plasmas 査読有り 国際誌
T. Fujita, T. Fukuda, Y. Sakamoto, S. Ide, T. Suzuki, H. Takenaga, K. Ida, H. Idei, T. Shimozuma, A. Fujisawa, S. Ohdachi, K. Toi
Plasma Physics and Controlled Fusion 46 巻 頁： A35-A43 2004年