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坂本瑞樹

Sakamoto, Mizuki

数理物質系 , 教授
Institute of Pure and Applied Sciences , Professor

http://www.prc.tsukuba.ac.jp/~sakamoto/

オープンアクセス版の論文は「つくばリポジトリ」で読むことができます。

1. Development of 14 GHz 1 MW and 28 GHz 0.4 MW gyrotrons for low-field fusion devices KARIYA, Tsuyoshi; Minami, R.; H. Idei; T. Onchi (+3 著者) Sakamoto, M.
Nuclaer Fusion 65: 096001 (2025)
2. High-speed camera observation of Hα, Hβ and Hγ associated with mutual neutralization and EIR in GAMMA 10/PDX divertor simulated plasma Takahashi, S.; Ezumi, N.; Okamoto, T.; Kono, K. (+8 著者) Sakamoto, M.
NUCLEAR MATERIALS AND ENERGY 43: (2025) Semantic Scholar
3. Discharge characteristics of a hybrid plasma source using hot cathode arc discharge and helicon wave discharge Kinashi, Yuta; Ezumi, Naomichi; Seto, Takumi; Miyauchi, Reina (+6 著者) Ohno, Noriyasu
JAPANESE JOURNAL OF APPLIED PHYSICS 64: (2025) Semantic Scholar
4. Temporal fluid simulation of plasma particle and energy confinement in GAMMA 10/PDX pellet injection experiments Kunii, Akihiro; Togo, Satoshi; Yoshikawa, Masayuki; Ezumi, Naomichi (+1 著者) Sakamoto, Mizuki
JOURNAL OF ADVANCED SIMULATION IN SCIENCE AND ENGINEERING 12: 211 (2025)
5. Development of 154/116 GHz Dual-Frequency Gyrotron for the Large Helical Device KARIYA, Tsuyoshi; MINAMI, R.; T. SHIMOZUMA; S. ITO (+3 著者) SAKAMOTO, M.
J. of Plasma and Fusion Research 20: 1402022 (2025) Semantic Scholar
6. Behavior of detached simulation plasma by suddenly changed particle flux in GAMMA 10/PDX Yoshikawa, Masayuki; Kohagura, Junko; Ezumi, Naomichi; Kariya, Tsuyoshi (+17 著者) Hennie V. D.
AIP ADVANCES 14: (2024) Semantic Scholar
7. Coexistence of H-MAR and N-MAR in divertor simulation experimental module of GAMMA 10/PDX Okamoto, T.; Ezumi, N.; Takahashi, S.; Perillo, R. (+7 著者) Sakamoto, M.
NUCLEAR MATERIALS AND ENERGY 41: (2024) Semantic Scholar
8. Recent progress of JT-60SA project toward plasma operation Shirai, H.; Takahashi, K.; Di Pietro, E.; Abate, D. (+309 著者) Sato, F.
NUCLEAR FUSION 64: (2024) Semantic Scholar
9. Effect of the magnetic field strength on the argon plasma characteristics of a helicon plasma source with a two-turn flat-loop antenna Seto, Takumi; Ezumi, Naomichi; Miyauchi, Reina; Okamoto, Takuma (+9 著者) Shinohara, Shunjiro
JOURNAL OF PLASMA PHYSICS 90: (2024) Semantic Scholar
10. Hydrogen removal by electron cyclotron wall conditioning with neon gas and its impact of tokamak plasma start-up on the QUEST spherical tokamak Fukumoto, Masakatsu; Yue, Qilin; Hanada, Kazuaki; Kojima, Shinichiro (+17 著者) Higashijima, Aki
NUCLEAR FUSION 64: (2024) Semantic Scholar
11. Study of the pellet ablation cloud using the tomography technique for two-directional simultaneous photography in GAMMA 10/PDX Yoshikawa, M.; Nakashima, Y.; Kohagura, J.; Shima, Y. (+3 著者) Sakamoto, M.
JOURNAL OF PLASMA PHYSICS 90: (2024) Semantic Scholar
12. DEVELOPMENT OF MW GYROTRONS WITH COLLABORATION RESEARCH FOR PLASMA HEATING IN FUSION EXPERIMENTAL DEVICES KARIYA, Tsuyoshi; R.Minami; IMAI, T.; NUMAKURA, T. (+9 著者) M. ONO
28th IAEA Fusion Energy Conference (FEC 2020) IAEA-CN-316-1671 (2023)
13. Time Evolution of 2D Emission Profiles of Detached Plasma during Hydrogen and Impurities Combined Gas Seeding in GAMMA10/PDX EZUMI, N.; GAMO, H.; TAKAHASHI, S.; OKAMOTO, T. (+8 著者) PERILLO, R.
Proc. 29th IAEA Fusion Energy Conference (FEC 2023) IAEA-CN-316/1658 (2023)
14. EFFECT OF HIGHER PARTICLE FLUX ON DETACHED SIMULATION PLASMA IN THE GAMMA 10/PDX DIVERTOR SIMULATION EXPERIMENTAL MODULE YOSHIKAWA, Masayuki; Kohagura, J.; Ezumi, N.; Kariya, T. (+9 著者) Meiden, H. v
Proc. 29th IAEA Fusion Energy Conference (FEC2023) IAEA-CN-316/1674 279 (2023)
15. High-Energy Ion Generation During Difference-Frequency ICRF Wave Heating in GAMMA 10/PDX Sugimoto, Y.; Hirata, M.; Nakashima, Y.; Ichimura, M. (+9 著者) Sakamoto, M.
PLASMA AND FUSION RESEARCH 18: 2402084 (2023) Semantic Scholar
16. Development of dual-path multi-pass Thomson scattering system in GAMMA 10/PDX Yoshikawa, Masayuki; Kohagura, J.; Shima, Yoriko; Nakashima, Y. (+10 著者) H. van der
Journal of Instrumentation (JINST) 18: C10006-1 (2023) Semantic Scholar
17. Analysis of the Contribution of Magnetic Moment Conservation to Ion Energy Transport in the GAMMA 10/PDX Divergent Field Region Takanashi, Kosuke; Togo, Satoshi; Ezumi, Naomichi; Hirata, Mafumi (+6 著者) Sakamoto, Mizuki
PLASMA AND FUSION RESEARCH 18: (2023) Semantic Scholar
18. Effect of Impurity Ions on Ion Current Flowing into an Ion Sensitive Probe during N2 and H2 Seeding in Hydrogen Plasma Okamoto, Takuma; Ezumi, Naomichi; Togo, Satoshi; Perillo, Renato (+5 著者) Sakamoto, Mizuki
PLASMA AND FUSION RESEARCH 18: (2023) Semantic Scholar
19. Initial Properties of Steady State RF Plasma Source by Two Turn Flat Loop Antenna for DEMO Relevant Divertor Simulation Experiment Takumi, SETO; Naomichi, EZUMI; Reina, MIYAUCHI; Naoki (+9 著者) SHINOHARA
PLASMA AND FUSION RESEARCH 18: (2023) Semantic Scholar
20. Measurement of Radiated Power using an InfraRed Imaging Video Bolometer system in the Upstream of GAMMA 10/PDX Divertor Simulation Plasma SHIGEMATSU, Naoki; Ezumi, Naomichi; Mukai, Kiyofumi; SETO, Takumi (+10 著者) SAKAMOTO, Mizuki
Plasma and Fusion Research 18: 2402031 (2023) Semantic Scholar

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1. マルチスケールでのプラズマ・壁相互作用の理解の現状, ２．坂本瑞樹 (担当:監修)
2008年12月
2. マルチスケールでのプラズマ・壁相互作用の理解の現状, １．坂本瑞樹 (担当:監修)
2008年12月
3. 磁場閉じ込め装置における定常運転, ２．TRIAM-1Mにおける長時間プラズマ実験伊藤智之; 坂本瑞樹 (担当:監修)
プラズマ・核融合学会誌 1994年3月

21. Measurement of the wave with difference-frequency between applied two ICRF waves in GAMMA 10/PDX Noguchi, Daichi; Hirata, Mafumi; Aizawa, Takumi; Kim, Doyeon; Sugimoto, Yudai; Osato, K.; Kozawa, T.; Fuwa, H.; Ikezoe, Ryuya; Ichimura, Makoto; Ezumi, Naomichi; Togo, S.; Nakashima, Y.; Sakamoto, Mizuki
30th International Toki Conference on Plasma and Fusion Research (ITC) 2021年11月16日
22. Hydrogen recycling study using a high temperature target in GAMMA 10/PDX tandem mirror Sakamoto, Mizuki; Miyake, Y.; Gamo, H.; Sugiyama, T.; Kondo, A.; Shigematsu, N.; Seto, T.; Nojiri, K.; Nakashima, Yousuke; Hwangbo, D.; Togo, S.; Kohagura, Junko; Hirata, Mafumi; Ezumi, Naomichi; Yoshikawa, Masayuki
5th Asia-Pacific Conference on Plasma Physics (AAPPS-DPP2021) 2021年9月26日招待有り
23. プラズマ対向壁の高温化が水素リサイクリングに与える影響坂本瑞樹; 三宅勇太; 蒲生宙樹; 杉山吏作; 近藤綾音; 重松直希; 瀬戸拓実; 野尻訓平; 中嶋洋輔; 皇甫度均; 東郷, 訓; 平田真史; 江角直道
日本物理学会2021秋季大会 2021年9月20日
24. Recent results of GAMMA 10/PDX and construction of a superconducting mirror machine Sakamoto, Mizuki; Kariya, Tsuyoshi; Yoshikawa, Masayuki; Ezumi, Naomichi; Minami, Ryutaro; Hirata, Mafumi; Kohagura, Junko; Numakura, T.; Togo, S.; Hwangbo, D.; Katanuma, I.; Nakashima, Yousuke; Imai, T.; Ichimura, Makoto; Unterberg, B.
3rd International Workshop on Gas Dynamic Trap based Fusion Neutron Source (GDT-FNS) 2021年9月13日招待有り
25. Simulation of GAMMA 10/PDX plasmas by a plasma fluid model based on the anisotropic ion pressure (AIP model) Togo, Satoshi; Ezumi, Naomichi; Sakamoto, Mizuki; Islam; Md. Shahinul; Sugiyama, Tsukasa; Takanashi, Kosuke; Takizuka, Tomonori; Ibano, Kenzo
The 40th JSST Annual International Conference on Simulation Technology 2021年9月1日
26. Present status of GAMMA 10/PDX and a new project of a superconducting mirror machine Sakamoto, Mizuki; Kariya, Tsuyoshi; Yoshikawa, Masayuki; Ezumi, Naomichi; Minami, Ryutaro; Hirata, Mafumi; Kohagura, Junko; Numakura, T.; Togo, S.; Hwangbo, D.; Katanuma, I.; Nakashima, Yousuke; Imai, T.; Ichimura, Makoto; Unterberg, B.
International Mini-Workshop on Open Magnetic Systems for Plasma Confinement (OS2021) 2021年8月24日招待有り
27. Fluid simulations of GAMMA 10/PDX plasmas considering the anisotropic ion pressure Togo, Satoshi; Ezumi, Naomichi; Sakamoto, Mizuki; Islam; Md. Shahinul; Sugiyama, Tsukasa; Takanashi, Kosuke; Takizuka, Tomonori; Ibano, Kenzo
International Mini Workshop on Open Magnetic Systems for Plasma Confinement 2021年8月24日
28. Divertor simulation experiment in the open magnetic field of GAMMA 10/PDX: effect of nitrogen seeding on plasma detachment Ezumi, Naomichi; Gamo, H.; Sugiyama, T.; Kondo, A.; Togo, S.; Hirata, Mafumi; Kohagura, Junko; Yoshikawa, Masayuki; Nakashima, Yousuke; Sakamoto, Mizuki; Perillo, R.; Ohno, N.; Sawada, K.; Masuzaki, S.
International Mini-Workshop on Open Magnetic Systems for Plasma Confinement (OS2021) 2021年8月24日
29. Fluctuation study and development of Thomson scattering system in the tandem mirror GAMMA 10/PDX Yoshikawa, Masayuki; Kohagura, Junko; Ezumi, Naomichi; Nakashima, Yousuke; Kariya, Tsuyoshi; Hirata, Mafumi; Minami, Ryutaro; Ichimura, Makoto; Sakamoto, Mizuki; Islam, Shahinul Md; Shima, Yoriko; Nakanishi, Hiroyuki; Yasuhara, Ryo; Yamada, Ichihiro; Funaba, Hisamichi; Kenmochi, Naoki; Minami, Takashi; Kuwahara, Daisuke; Maiden; Hennie Van der
International Mini-Workshop on Open Magnetic Systems for Plasma Confinement (OS2021) 2021年8月24日招待有り
30. Influence of Nitrogen and Neon on Plasma Detachment during Combined Seeding with Hydrogen on Divertor Simulation Experiment of GAMMA 10/PDX Ezumi, Naomichi; Gamo, H.; Sugiyama, T.; Kondo, A.; Togo, S.; Hirata, Mafumi; Kohagura, Junko; Yoshikawa, Masayuki; Nakashima, Yousuke; Sakamoto, Mizuki; Perillo, R.; Ohno, N.; Sawada, K.; Kado, S.; Masuzaki, S.
30th ITPA-DivSOL meeting 2021年6月28日
31. GAMMA 10/PDXセントラル部に励起したICRF差周波波動によるイオン加熱の検討野口, 大地; 栢野, 大樹; 菅田, 海里; 相澤, 拓実; 杉本, 勇大; 松浦, 礼奈; キム, ドヨン; 平田, 真史; 坂本, 瑞樹; 市村, 真; 池添, 竜也
第9回ICRF加熱研究会「ICRF加熱装置の高性能化と将来応用」 2021年3月24日
32. GAMMA 10/PDXエンド部へのICRF波動印加時の端損失イオンへの影響相澤, 拓実; 菅田, 海里; 平田, 真史; 栢野, 大樹; 野口, 大地; KIM, DOYEON; 杉本, 勇大; 松浦, 礼奈; 市村, 真; 坂本, 瑞樹
第9回ICRF加熱研究会「ICRF加熱装置の高性能化と将来応用」 2021年3月24日
33. Role of Molecular Processes and Target Configuration on Plasma Detachment in GAMMA 10/PDX Ezumi, Naomichi; Gamo, H.; Sugiyama, T.; Nojiri, K.; Kondo, A.; Hirata, M.; Kohagura, J.; Yoshikawa, M.; Nakashima, Y.; Sakamoto, M.; Perillo, R.; Guo, H.Y.; Kuwabara, T.; Tanaka, H.; Ohno, N.; Sawada, K.; Kado, S.; Tonegawa, A.; Masuzaki, S.
24th International Conference on Plasma Surface Interaction in Fusion Devices (PSI-24) 2021年1月25日
34. First electron temperature measurements by the multi-pass Thomson scattering system with the laser amplification system in GAMMA 10/PDX Yoshikawa, Masayuki; Kohagura, J.; Shima, Y.; Nakanishi, H.; Sakamoto, M.; Minami, R.; Ezumi, N.; Nakashima, Y.
The 23rd topical conference on High Temperature Plasma Diagnostics 2020年12月14日
35. A Ku-band Multichannel Doppler Reflectometer System on GAMMA 10/PDX”, The 23rd topical conference on High Temperature Plasma Diagnostics Kohagura, J.; Masaki, S.; Tokuzawa, T.; Yoshikawa, M.; Shima, Y.; Nakanishi, H.; Nakashima, Y.; Sakamoto, M.
The 23rd topical conference on High Temperature Plasma Diagnostics 2020年12月14日
36. Measurement of density-fluctuation structure owing to spontaneously excited waves by using microwave reflectometer system in the central cell on GAMMA 10/PDX Sekine, R.; Hirata, M.; Ikezoe, R.; Jang, S.; Kubota, Y.; Kayano, H.; Sugata, K.; Aizawa, T.; Noguchi, D.; Kim, D.; Sugimoto, Y.; Matsuura, R.; Yamazaki, H.; Ichimura, M.; Yoshikawa, M.; Kohagura, J.; Nakashima, Y.; Ezumi, N.; Sakamoto, M.
The 23rd topical conference on High Temperature Plasma Diagnostics 2020年12月14日
37. Pilot GAMMA PDX SC用超伝導コイルの製造今村寿郎; 沖津茂樹; 古閑康則; 木戸修一; 南, 龍太郎; 假家強; 坂本瑞樹
第100回低温工学・超電導学会研究発表会 2020年12月8日低温工学・超電導学会
38. Pilot GAMMA PDX SC用超伝導コイルの製造今村寿郎; 沖津茂樹; 古閑康則; 木戸修一; 南, 龍太郎; 假家強; 坂本瑞樹
第100回低温工学・超電導学会研究発表会 2020年12月8日低温工学・超電導学会
39. GAMMA10セントラル部新型ECHアンテナの特性評価とマイクロ波解析北爪裕生; 南, 龍太郎; 假家強; 沼倉友晴; 今井剛; 大島伸也; 江角直道; 坂本瑞樹
第37回プラズマ・核融合学会年会 2020年12月1日
40. GAMMA 10/PDXにおけるメガワット級ECHによる間欠的熱負荷生成実験南, 龍太郎; 假家強; 沼倉友晴; 北爪裕生; 大島伸也; イジョンミン; 遠藤洋一; 今井剛; 坂本瑞樹
第37回プラズマ・核融合学会年会 2020年12月1日